STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION CITY OF WEST BEND, WISCONSIN SECTION 400 SEWER AND WATER CONSTRUCTION

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1 STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION CITY OF WEST BEND, WISCONSIN SECTION 400 SEWER AND WATER CONSTRUCTION Section Number Title 401 GENERAL 402 AMENDMENTS TO WSWS PART I - GENERAL CONDITIONS 403 AMENDMENTS TO WSWS PART II - CONSTRUCTION GENERAL 404 AMENDMENTS TO WSWS PART III - CONSTRUCTION - STORM AND SANITARY SEWERS 405 ADDITIONAL CITY REQUIREMENTS FOR SANITARY SEWER CONSTRUCTION 406 ADDITIONAL CITY REQUIREMENTS FOR STORM SEWER CONSTRUCTION 407 AMENDMENTS TO WSWS PART IV - CONSTRUCTION - WATER MAIN 408 ADDITIONAL CITY REQUIREMENTS FOR WATER MAIN CONSTRUCTION 409 AMENDMENTS TO WSWS PART V - BUILDING SERVICES 410 AMENDMENTS TO WSWS PART VIII - MATERIAL SPECIFICATIONS 411 AMENDMENTS TO WSWS PART IX - DETAIL DRAWINGS 412 DETAIL DRAWINGS FOR WATER AND SEWER CONSTRUCTION IN WEST BEND 413 REPAIR OF EXISTING SEWER AND WATER FACILITIES 414 MEASUREMENT AND PAYMENT 415 UNDERDRAINS AND SUMP DRAIN CONNECTION LINES 416 AMENDMENTS TO WSWS PART VI TRENCHLESS INSTALLATION OF UTILITIES 440 VIDEO INSPECTION OF SANITARY SEWERS AND STORM SEWERS DATE OF ISSUE APRIL 12, 1993 REVISION DATE December 15, 2008 _ CITY ENGINEER'S APPROVAL

2 SECTION SEWER AND WATER CONSTRUCTION TABLE OF CONTENTS 401 GENERAL Referenced Specifications Material Certificates 402 AMENDMENTS TO WSWS PART I - GENERAL CONDITIONS WSWS Necessary Notices and Permits WSWS Notices for Local Sewerage District Connection WSWS Control of Work and Materials WSWS Final Acceptance WSWS Scope of Work and Specific Instructions WSWS Guarantee WSWS Extra Work and Credits WSWS Basis of Payment or Credit for Altered Work WSWS Protection of Work - Public and Private WSWS Flagman Required WSWS Dust Palliative WSWS Access to Properties WSWS Traffic WSWS Legal Relations WSWS Liability and Insurance WSWS Contract Bond 403 AMENDMENTS TO WSWS PART II - CONSTRUCTION - GENERAL WSWS General Work Provisions WSWS Protection of Existing Structures and Utilities WSWS Housing for Inspectors CITY Separation of Water Mains and Storm or Sanitary Sewers (added) CITY Separation of Water Laterals and Sewers (added) WSWS Excavation WSWS Dewatering Sump and Pump Wells WSWS Tree Clearing and Grubbing WSWS Backfilling WSWS Excavated Material for Backfill WSWS Granular Backfill WSWS Granular Backfill Credits WSWS Support of Underground Structures WSWS Placing of Backfill WSWS Upper Level of Backfill WSWS Minimum Backfill and/or Cover WSWS Consolidation of Backfill WSWS Maintenance of Trench Surface WSWS Surface Replacement and Site Restoration WSWS Optional Replacement WSWS Replacement of Pavements WSWS Pay Measurement WSWS Pay Measurement for Clearing and Grubbing WSWS Alternate Locating Equipment WSWS (b) Insulation Color WSWS (e) Wire Splice

3 404 AMENDMENTS TO WSWS PART III - CONSTRUCTION - STORM AND SANITARY SEWER WSWS Laying of Pipe Sewers WSWS Pipe Sewer Bedding Sections WSWS (b)1a (Type of Joint to Be Used On Concrete Pipe Storm Sewers) WSWS Abandoned Sewers, Drains, and Sewer Structures WSWS Connections to Existing Manholes or Existing Sewers CITY Connections of Pipe to Structures WSWS Monolithic Concrete Sewers and Appurtenances WSWS Reconnecting Building Sewers, Storm Water Drains and Utility Drains WSWS Branch Fittings, Pipe, Joints WSWS Manholes WSWS Types of Manholes WSWS General Requirements CITY 3.5.7(d) Sealing of Connection (added) CITY 3.5.7(e) Outside and Inside Drops at Sanitary Sewer Manholes (added) WSWS Special Types of Manholes WSWS 3.5.8(d)1 Precast Manhole Flexible Connection WSWS Catch Basins, Storm Water Inlets and Storm Water Drains WSWS Catch Basins WSWS Trapped Sewer Catch Basin WSWS Storm Water Inlet 405 ADDITIONAL CITY REQUIREMENTS FOR SANITARY SEWER CONSTRUCTION Television Inspection Adjusting Manholes, Catch Basins, and Inlet Frames and Covers Sanitary Sewer Pipe Materials 406 ADDITIONAL CITY REQUIREMENTS FOR STORM SEWER CONSTRUCTION Television Inspection Culverts Rip Rap Trash Racks at Storm Sewer Outfalls General Measurement and Payment Adjusting Manholes and Catch Basins HDPE Pipe for Cross Country Storm Sewers 407 AMENDMENTS TO WSWS PART IV - CONSTRUCTION-WATER MAIN WSWS Laying of Water Main WSWS Thrust Restraints WSWS Ductile Iron Water Main WSWS Joints CITY 4.4.2(d) Electrical Continuity (added) WSWS Polyethylene Wrap WSWS Installing Hydrants WSWS Prestressed Concrete Water Main WSWS Strapping, Lugged Pipe and Fittings WSWS Protective Coatings WSWS Grade and Direction Changes WSWS Grade Changes for P.V.C. Main WSWS Vaults WSWS Boring and Jacking WSWS Jacking WSWS Connection, Removal and Abandonment WSWS Connection Mains

4 CITY Operation of Existing Valves (added) WSWS Pressure Testing WSWS Disinfection of Water Mains CITY Chlorination, Sampling and Testing (added) WSWS Insulation CITY General (added) CITY Water Main Installation (added) CITY Building Water Service Insulation (added) 408 ADDITIONAL CITY REQUIREMENTS FOR WATER MAIN CONSTRUCTION Electrical Continuity Test Existing Sanitary Sewer, Storm Sewer, and Water Main Re-Laying Water Mains Installation Sequence Service Disruption Notices Water Service Reconnections Abandonment of Existing Water Main Opening or Closing Existing Water Mains Temporary Air Release Assemblies (Blowoffs) Abandoning and Replacing Water Service Laterals Water Valve Installation As-Built Valve Manufacturer List 409 AMENDMENTS TO WSWS PART V - BUILDING SERVICES WSWS General WSWS Minimum Size CITY Location Data of Non-Conductive Service Laterals WSWS Excavation WSWS Building Combined Sewers WSWS Water Service Piping WSWS Laying of Building Sewers WSWS Connection Point to Main Sewer WSWS Alignment and Grade WSWS Type of Pipe to Be Used WSWS Acceptance Testing of Building Sewers WSWS Laying of Water Services WSWS Lead Joints WSWS Connection to Water Main WSWS Alignment and Position WSWS Laying Water Services WSWS Lawn Sprinkler Service System 410 AMENDMENTS TO WSWS PART VIII - MATERIAL SPECIFICATIONS WSWS Ductile Iron Water Pipe WSWS Description WSWS Prestressed Concrete Pressure Water Pipe, Steel Cylinder Type, for Water Main WSWS Miscellaneous for Water Pipe WSWS Nuts and Bolts WSWS Copper Water Tubing WSWS Fittings WSWS Cast Iron Service Boxes CITY Additional Requirements (added) WSWS Fire Hydrants CITY Additional Requirements (added) WSWS Gate and Resilient Wedge Valves CITY Resilient Wedge Valves (added) CITY Cut-in Valves and Sleeves (added) WSWS Butterfly Valves CITY Additional Requirements (added)

5 WSWS Cast Iron Valve Boxes CITY Additional Requirements (added) WSWS Corporation Stops CITY Additional Requirements (added) WSWS Curb Stops CITY Additional Requirements (added) WSWS Mortar WSWS Materials WSWS Concrete Brick and Block Masonry Units WSWS Manhole Block Dimensions and Quality WSWS Bedding, Cover, Foundation, and Backfill Materials WSWS Requirements WSWS Cover Material for Pipe WSWS Manhole and Catch Basin Castings CITY Requirements CITY Manhole Castings (added) CITY Catch Basin Castings (added) WSWS Coal Tar Epoxy CITY Substitution of Materials (added) 411 AMENDMENTS TO WSWS PART IX - DETAIL DRAWINGS 412 ADDITIONAL DETAIL DRAWINGS FOR WATER AND SEWER CONSTRUCTION 413 REPAIR OF EXISTING SEWER AND WATER FACILITIES Scope of Work Remove and Replace Sewer Pipe General Sewer Pipe Materials Installation Aggregate Slurry Backfill Granular Backfill Surface Restoration Measurement and Payment Catch Basin Repair Work General Remove and Replace Catch Basin Structures Catch Basin Frames and Grates Catch Basin Structural Repairs Aggregate Slurry Backfill Curb and Gutter Pavement Restoration Ground Restoration Measurement and Payment Manhole Repair Work General Measurement and Payment Manhole and Catch Basin Adjustments General Pavement and Subbase Restoration Chimney Seals on Sanitary Sewer Manholes Measurement and Payment Manhole Removal and Replacement General Manhole Structures and Pipes Aggregate Slurry Backfill Granular Backfill Frames and Covers Chimney Seals at Sanitary Sewer Manholes Surface Restoration Measurement and Payment

6 413.7 Adjusting Valve Boxes General Payment Aggregate Slurry Backfill General Measurement and Payment 414 MEASUREMENT AND PAYMENT General Pipe Sewers Manholes, Catch Basins, and Inlets Chimney Seals for Sanitary Sewer Manholes Sanitary Sewer Laterals Water Mains and Hydrant Leads Water Main Valves Hydrant Assemblies Water Service Laterals Underdrain and Sump Drain Connection Lines 415 UNDERDRAINS AND SUMP DRAIN CONNECTION LINES General Trenches Pipes Connection to Structure Cleanouts Tracer Wire Staking Discharges at Ditches 416 AMENDMENTS TO WSWS PART VI TRENCHLESS INSTALLATION OF UTILITIES WSWS Casing Pipe WSWS 6.2.3(a)1 Types WSWS 6.2.3(b)Inserted Pipe CITY 6.2.3(c)Casing Spacers (Chocks) CITY 6.2.3(d) General CITY 6.2.3(e)Installation WSWS Materials 440 VIDEO INSPECTION OF SANITARY AND STORM SEWERS Scope of Work General Videotape Equipment Operating Environment Footage Counter Push Type Camera Video Recorder Tape Speed

7 440.3 Video Inspection Cleaning of the Line Excess Flow Communication During Video Inspection Operations Calibration and Display of Footage Measurements Documentation of Results of Video Inspection of Sewers Computerized Report Format of Data for Computerized Report Inspection Logs Video Inspection Report Format of Data on Video DVD Narrative Report Inspection of Work by City Possession and Rights of Video and Reports

8 401 - GENERAL Referenced Specifications All materials and construction for storm sewers, sanitary sewers, and water mains in the City of West Bend shall be in accordance with the "Standard Specifications for Sewer and Water Construction in Wisconsin," latest edition, with all current supplemental specifications and addenda, (hereinafter referred to as the Wisconsin Sewer and Water Specifications or WSWS), and with the following modifications. In the event a new edition or Addendum of the Wisconsin Water and Sewer Specifications is issued and the WSWS section numbers become changed, the text of the City's Standard Specifications and its references to various WSWS sections shall still apply to the appropriate renumbered WSWS section. Various sections of the State of Wisconsin Department of Transportation Standard Specifications for Highway and Structure Construction - latest edition, with all current supplemental specifications and addenda, are made part of the City's Standard Specifications by reference. The aforementioned standard specification is hereinafter referenced as the "Wisconsin DOT Specifications", the "DOT Specifications", or as "WDOT". In addition, the sewer and water work shall conform to the requirements of the City's Standard Specifications of which this section is a part Material Certificates Prior to the start of construction, the Contractor shall furnish the Engineer with certificates of certification for all water and sewer pipe, valves, hydrants, and precast concrete manholes, catch basins, and inlets. The certificates shall conform to the requirements of Section of the City's Standard Specification. REVISION DATE November 24, 1997 p

9 402 - AMENDMENTS TO WSWS PART I - GENERAL CONDITIONS WSWS NECESSARY NOTICES AND PERMITS WSWS Notice for Local Sewerage District Connection Delete this section in its entirety. WSWS CONTROL OF WORK AND MATERIALS WSWS Final Acceptance Add: "Final acceptance of sanitary and storm sewers will be withheld until the system has been video taped, the results have been reviewed by the City, and any defects have been repaired." WSWS SCOPE OF WORK AND SPECIFIC INSTRUCTIONS WSWS Guarantee Delete the first sentence and replace with the following text: All work shall be guaranteed for a period of one year from the date of final acceptance as described in Section of the City's Standard Specifications. WSWS EXTRA WORK AND CREDITS WSWS Basis of Payment or Credit for Altered Work In subsection (a) delete the term "Schedule of Fixed Prices", replace it with the term "Schedule of Supplemental Prices", and add the following text: "The Schedule of Supplemental Prices shall be as stated in the Contract Documents." WSWS PROTECTION OF WORK - PUBLIC AND PRIVATE WSWS Flagman Required Add: "The Flagman shall have no duties other than directing traffic." WSWS Dust Palliative Remove the last sentence and insert: "The cost of the dust palliative treatment or watering shall be included as part of the unit cost for sewer and water installation." WSWS Access to Properties Add: REVISION DATE p

10 "The Contractor shall minimize the length of time that access to private driveways is closed, and the property owner shall be notified by the Contractor at least 24 hours prior to closing the driveway to permit him to remove any vehicle from the driveway. No private driveway shall be closed to travel overnight or for more than one-half day without permission from the Engineer." WSWS WSWS WSWS WSWS Traffic Add: "All existing streets, highways and roads will have a minimum of one lane open to through traffic during construction at all times. When obstructing the traffic on a roadway, the Contractor shall have sufficient flagmen to control the flow of traffic and the flagmen shall not be permitted to detain traffic unnecessarily. When work is underway on intersections, it shall be vigorously prosecuted to completion so as to inconvenience traffic for a minimum time. When the construction will inadvertently obstruct or in any other way affect through vehicle traffic on State, County or Town roads, the Contractor shall give sufficient notice to the respective highway departments and shall furnish a copy to the City Engineer. When the construction will inadvertently obstruct or in any other way affect through vehicle traffic on City streets, the Contractor shall give sufficient notice to the City Engineer and/or Director of Public Works. Prior to commencing work on the project, the Contractor shall obtain any required permits, shall have such permits available for inspection by the Engineer, and shall furnish copies of the permits to the Engineer". LEGAL RELATIONS Liability and Insurance Delete this section in its entirety, and replace with the following: "The Contractor shall obtain and maintain insurance meeting the requirements of Section of the City's Standard Specifications." Contract Bond Delete this section in its entirety, and replace with the following: "The Contractor shall furnish contract bonds meeting the requirements of Section of the City's Standard Specifications." REVISION DATE November 25, 2002 p

11 403 - AMENDMENTS TO WSWS PART II - CONSTRUCTION - GENERAL WSWS WSWS GENERAL WORK PROVISIONS Protection of Existing Structures and Utilities Add the following text: "In the event the plans show the location of certain utilities and/or structures both above and below ground, these locations shall not be taken as conclusive. Verification to the satisfaction of the Contractor of the exact location and condition of all utilities and/or structures, whether shown on the plans or not, shall be the responsibility of the Contractor. The Contractor shall note that other utilities and/or structures may exist within the project limits. No additional costs shall be incurred by the City for utilities which are not shown on the project plans and need to be crossed, unless the utility substantially affects the line and/or grades of the sewer or water piping. Prior to the start of construction the Contractor shall contact Digger's Hotline to have all existing utilities marked. To avoid clogging or damaging water service laterals with water softener materials at users not equipped with backflow blocking check valves, the Contractor shall shut off the water supply at the curb stop or at the water meter before excavating across an existing water service lateral, before disconnecting a service lateral from the existing main, and before causing the loss of positive pressure in any water service laterals or water mains. The Contractor shall notify the water service user in accordance with the requirements of Section of the City's Standard Specifications. The Contractor shall reopen the shut off valve after the water service lateral is exposed and protected during the excavation crossing. If the Contractor's operations accidentally disrupt water or sewer service to a user, the Contractor shall restore that user's service immediately after such disruption occurs. All service disruption restoration work associated with such accidental disruption shall be performed by the Contractor at no cost to the City." WSWS Housing for Inspectors Delete this section in its entirety, and replace with the following: "If the Contractor maintains a temporary field office, it shall be located and maintained at a mutually agreed upon location. Upon completion of the work, it shall be removed from the work site." REVISION DATE p

12 CITY CITY Separation of Water Mains and Storm or Sanitary Sewers The minimum horizontal spacing of water mains with respect to sanitary or storm sewers shall be eight (8) feet, measured centerline to centerline. The minimum vertical clearance between the outside diameters of water mains and of sanitary or storm sewers shall be six (6) inches when the water main crosses above the sewer and eighteen (18) inches when the water main crosses under the sewer. Separation of Water Laterals and Sewers The minimum horizontal separation of water service laterals with respect to sanitary sewers shall be: a. Eight (8) feet if the water lateral is 2.5" diameter or larger, b. Eight (8) feet if the water and sewer laterals are not installed concurrently (during the same construction project), c. When the water and sewer laterals are installed concurrently and the water lateral is less than 2.5" diameter, the minimum horizontal separation of the centerlines shall be: 1. thirty (30) inches, or 2. less than thirty (30) inches provided that the bottom of the water pipe is at least twelve (12) inches above the top of the sewer pipe The minimum horizontal separation of water service laterals with respect to storm sewers shall be twelve (12) inches. The minimum vertical clearance between the outside diameters of the water service lateral and of sanitary or storm sewers shall be twelve (12) inches when the water lateral crosses above the sewer and at least eighteen (18) inches when the water lateral crosses below the sewer. REVISION DATE November 25, 2002 p (A)

13 WSWS WSWS WSWS WSWS WSWS EXCAVATION Dewatering Sumps and Pump Wells Add the following text. "Water from dewatering operations shall not be directly discharged into any existing rivers, creeks, storm sewer systems, wetlands, etc.. Silt from dewatering operations shall not be allowed to enter any existing rivers, creeks, sewer systems, wetlands, etc.. The Contractor s dewatering operations shall conform to the requirements of Section of the City s Standard Specifications. Any silt that gets into existing rivers, creeks, sewer systems, or wetlands, etc., shall be removed by the Contractor at no expense to the City. The Contractor shall advise the Engineer at the time of the preconstruction meeting of how he intends to handle dewatering and control sediments from the dewatering operations." Tree Clearing and Grubbing Add the following text. "Clearing and grubbing work shall conform to the requirements of Section 303 of the City's Standard Specifications." The sentence pertaining to pay items shall be changed to read: "The cost of all clearing and grubbing shall be included in the unit price bid for other items of work, provided that a unit price specifically for clearing and grubbing is not included in the contract." BACKFILLING Excavated Material for Backfill Delete the entire text of this section and replace with the following text. "Native material excavated from a trench may be used for backfilling in trenches when approved by the Engineer, provided the native material meets the requirements of WSWS If used, native material shall be free of frozen materials or of materials larger than six (6) inches in diameter. If detrimental materials are encountered during excavation of the trench, the Contractor shall separate suitable material from unsuitable or rejected material. All unsuitable or rejected material shall become the property of the Contractor and shall be properly disposed of by the Contractor. When the Engineer rejects native material (or a portion of the native material) for backfilling trenches, the Contractor shall be compensated for furnishing and placing granular backfill material, as described below, at the unit price contained in the Contractor's original bid proposal. The granular backfill material shall conform to the requirements of WSWS If the deficiency of backfill materials is caused by improper protection of the trench or by improper compaction methods (as determined by testing procedures standard to the industry), the material needed to make up the deficiency shall be furnished and installed by the Contractor at no additional cost to the City. If a bid item for "Furnish Granular Backfill Material" is included in the Bid Proposal, it is included for the sole purpose REVISION DATE November 26, 2007 p

14 of determining a unit price for granular backfill should the City Engineer determine it to be necessary as described above. The Contractor, by way of this provision, acknowledges and agrees that excavated material is to be utilized for backfill material and determination for the necessity of, and payment for, granular backfill material is at the sole discretion of the City Engineer. The unit price for "Furnish Granular Backfill Material" shall include all costs associated with excavating, hauling and properly and legally disposing of the detrimental material offsite; furnishing, hauling, placing, and compacting granular backfill material; and all equipment, materials, tools, labor, supervision, supplies, and other incidentals necessary to complete the work. The Contractor shall provide the Engineer with all load tickets for all granular backfill material placed as backfill during construction. The Contractor shall provide the Engineer with a Proctor and sieve analysis report on the granular backfill material for review and approval prior to any backfill material being placed. Measurement and payment for "Furnish Granular Backfill Material" will be made per ton placed. If a quantity for granular backfill material is included in the Bid Proposal, the quantity and unit price might be used in evaluating the bids and in recommending which Contractor should be awarded the contract. The actual quantity used will likely vary significantly from the quantity in the Bid Proposal. WSWS WSWS WSWS Granular Backfill Add the following text: "The bid price for sewer and water main construction shall include the cost of furnishing and installing the granular backfill in trenches. The granular backfill shall conform to the requirements of either WDOT to WDOT for gradation number 2 or of WSWS The use of crushed asphaltic concrete pavement (a.k.a. millings) for backfilling of trenches for water and sewer pipes is prohibited." Granular Backfill Credits Delete the entire text of this section. Support of Underground Structures Delete the entire text of this section and replace with the following: "Concrete backfill or cellular concrete which conforms to the requirements of WSWS or , respectively, shall be used to support sewers, building sewers, water mains, and other utilities crossing trenches. The minimum dimensions around a utility crossing the pipeline that shall be backfilled with concrete backfill or cellular concrete shall be from twelve (12) inches below the utility to half way up the utility and twelve (12) inches on each side of the pipeline along the section of the utility exposed. All costs associated with supporting, protecting, and backfilling around existing utilities located near and/or across the pipeline as described above shall be included in the unit prices for the pipeline. Any damage caused to any existing utilities during work on the project shall be repaired and/or replaced by the Contractor at no expense to the City." REVISION DATE November 26, 2007 p

15 WSWS WSWS WSWS Placing of Backfill Add the following text: "If the Special Provisions or the Engineer allows the Contractor to use pea stone, stones, or material that contains a large percentage of voids for bedding or backfilling within paved areas (or areas to be paved) at manholes, catch basins, valve boxes, or trenches, the Contractor shall furnish and install geotextile fabric over the top of the "high-voids" material. The geotextile fabric shall conform to the requirements of Section of the Wisconsin DOT specifications for Type SAS fabric. All costs associated with furnishing and installing the geotextile fabric shall be included in the cost of the item causing the need for the bedding or backfill." Upper Level of Backfill Delete the last sentence which reads: "The Contractor shall backfill the remaining section of the trench with excavated material." Minimum Backfill and/or Cover The required cover above the outside top of all water pipe shall be changed from a minimum five (5) feet to a minimum six (6) feet. The last two sentences shall be changed to read as follows: "Excavated material meeting the requirements of WSWS shall be used as a backfill only as allowed in WSWS and shall be deposited in maximum 12-inch layers. Each layer shall be thoroughly compacted and subject to density testing by the City." WSWS WSWS WSWS WSWS WSWS Consolidation of Backfill Delete this entire section and refer to Section of the City's Standard Specifications for compaction requirements. Maintenance of Trench Surface Add: "This section shall apply only to those trenches made in existing pavement." SURFACE REPLACEMENT AND SITE RESTORATION Optional Replacement This section shall be deleted in its entirety. Replacement of Pavements Add the following text before the existing second paragraph. "The Contractor shall set the rim elevations of manholes, catch basins, and valve boxes in new pavement and in replacement pavement so that the rims are one-eighth (1/8) inch to one-quarter (1/4) inch below the finished surface of the pavement." Add the following text: "If the Contract Documents require the Contractor to replace the pavement and crushed aggregate base course, the work shall conform to the following additional requirements." REVISION DATE December 15, 2008 p (A)

16 1. Crushed Aggregate Base Course The crushed aggregate base course shall be constructed to the thicknessess and of the materials specified in the Contract Documents. 2. Pavement The pavement shall be constructed to the thicknesses and of the materials specified in the Contract Documents. Pavement construction shall conform to the requirements of the City's Standard Specifications, Section 500 for Concrete and Section 600 for Asphaltic Concrete. If the Contract Documents require temporary pavement, it shall conform to the requirements of Section of the City's Standard Specifications. 3. Compaction All replacement crushed aggregate base course and asphaltic concrete pavement shall be mechanically compacted in accordance with Sections and 605.5, and to the degree of compaction specified in Sections and 605.5, respectively, of the City's Standard Specifications. 4. Saw Cutting Prior to removal of existing pavement and/or prior to placement of replacement gravel and pavement, the Contractor shall saw cut existing pavement around the excavated trench area to form straight edges." WSWS PAY MEASUREMENT Delete the following sections. These sections are replaced by Section 414 of the City's Standard Specifications. WSWS WSWS WSWS WSWS WSWS WSWS WSWS Pay Measurement for New Building Sewers. Pay Measurement for Relaid Building Sewers and Drains Pay Measurement for Hydrant Branch Pay Measurement for Hydrants Pay Measurement for Manholes (Excluding Tee Manholes) Pay Measurement for Catch Basins and Storm Water Inlets Pay Measurement for Manhole and Catch Basin Adjustment REVISION DATE December 15, 2008 p

17 WSWS WSWS Pay Measurement for Clearing and Grubbing Shall be amended to read: "The cost of all clearing and grubbing encountered by the Contractor shall be included in the unit price bid for other items of work, provided that a unit price specifically for clearing and grubbing is not included in the contract." ALTERNATE LOCATING REQUIREMENT WSWS (b) Insulation Color Delete the text of subsection 1 and replace with the following text: "1. The color for sanitary sewer mains and laterals and for force mains shall be green. The color for storm sewer mains and laterals shall be brown. " WSWS (e) Wire Splice Delete the text and replace with the following test: "Splices in tracer wire for the initial installation of water and sewer laterals are not allowed. For splices in repairs of damaged existing tracer wire, use splicing assemblies specified in Details 461, 462, and 463 of the City s Standard Specifications. " REVISION DATE December 15, 2008 p (A)

18 404 - AMENDMENTS TO WSWS PART III - CONSTRUCTION - STORM AND SANITARY SEWER WSWS WSWS LAYING OF PIPE SEWERS Pipe Sewer Bedding Sections 1. Add to WSWS 3.2.6(a) Standard Section (Class C) the following text: "Class C bedding shall be required unless otherwise specified." 2. The following sections shall be deleted unless the deleted bedding sections are ordered as an extra by the Engineer: WSWS 3.2.6(b) Compacted Section (Class B) WSWS 3.2.6(c) Concrete Cradle (Class A) WSWS 3.2.6(d) Concrete Cap (Class A) WSWS 3.2.6(e) Concrete Envelope WSWS 3.2.6(f) Trench Restoration WSWS (b)1a (Type of Joint to be Used on Concrete Pipe Storm Sewers) Delete "cement mortar". Cement mortar joints in concrete storm sewer pipe will not be allowed. Concrete collars made of mortar and solid concrete bricks may be used at the last pipe joint when laying toward a manhole or other structure. WSWS WSWS Abandoned Sewers, Drains, and Sewer Structures In the second sentence delete "15 inches and larger". Connections to Existing Manholes or Existing Sewers Add the following text: "Connection of sanitary laterals to sanitary mains shall be by use of wyes or saddles rotated 45 from vertical in a cross section view and with its horizontal component of flow direction in the same direction as flow in the main. See Detail 430. The cost for all sewer connections to existing manholes or sewers shall be included as part of the unit price bid for the sewer installation." WSWS CITY Connections to New Sewers Add the following text: "The requirements of Section shall also apply to the connection of building sewers or drains to new sewers." Connections of Pipe to Structures Using concrete brick and mortar or concrete, the Contractor shall seal the entire joint formed where the sewer pipe connects to a manhole or catch basin/inlet structure. The joint shall be mortared all around the pipe inside and outside the structure to form a seal and shall be finished to provide a smooth-contoured brushed surface. No exposed edges, bumps, or shoulders that frost or frost heaving may push on will be allowed at the joint. REVISION DATE November p

19 WSWS MONOLITHIC CONCRETE SEWERS AND APPURTENANCES Delete this entire chapter. WSWS RECONNECTING BUILDING SEWERS, STORM WATER DRAINS AND UTILITY DRAINS WSWS Branch Fittings, Pipe, and Joints Add the following text: "The preferred method of connecting sanitary laterals to sanitary sewer mains is by use of wyes rotated 45 from vertical in a cross section view and with its horizontal component of flow direction in the same direction as flow in the main." Add the following note to Table 4: "Where the existing material of service or drain pipe encountered is clay, the pipe material to be used for reconnection shall be either PVC, as specified in WSWS , or Extra Strength Vitrified Clay." REVISION DATE December 13, 2004 p (A)

20 WSWS WSWS MANHOLES Types of Manholes Delete this entire section and replace with the following: "The Contractor shall backplaster the manhole chimney to a brush finish. Precast concrete manholes will be used at all times for sanitary and storm manholes, unless monolithic concrete construction or solid concrete block construction has been authorized by the Engineer. Manholes constructed with hollow block are not allowed and no exceptions will be allowed. The manholes shall be constructed to conform with the requirements of WSWS and the details shown in the detail section of the City's Standard Specifications. The orientations of the manhole access openings and steps with respect to the sewer pipe are different for storm and sanitary manholes and are indicated on Details 401 and 402, respectively. The Contractor shall submit manufacturer's certificates for the precast concrete manholes to the Engineer prior to using them on the project. The certificates shall state that the manholes conform to the requirements of ASTM C-478 and shall be signed by an authorized representative of the manufacturer. All sanitary and storm manholes shall be four (4') feet inside diameter, unless otherwise specified by the Engineer." WSWS General Requirements 1. Add to WSWS 3.5.4(d) (Walls, Corbels, and Chimneys) the following: "Chimney seals covering the joint at the top of the corbel, all grade ring joints, and the joint at the bottom of the frame casting are required for all sanitary manholes. The chimney seals shall conform to the requirements of WSWS The Chimney seals for all new or reconstructed sanitary manholes shall be "Internal/External Adaptor Seals" as manufactured by Adaptor, Inc. (West Allis, WI), or equal. The Contractor shall install the chimney seals in accordance with the manufacturer's written instructions. The Contractor shall not backfill the internal/external chimney seal until the Engineer has inspected and approved its installation. The Contractor shall backplaster the area of the grade rings for storm and sanitary manholes to provide a smooth contoured brushed finish." 2. Change in WSWS 3.5.4(e) (Castings) the following: The second sentence of the first paragraph shall be changed to read: REVISION DATE November 26, 2007 p

21 "These manhole castings shall conform to the requirements of WSWS and of Detail 411 or 412 for sanitary sewer manholes and Detail 413 for storm sewer manholes." 3. Add to WSWS 3.5.4(i)2(a) the following: "When flexible butyl rubber gasket material is used to seal joints in sanitary manholes, the gasket shall be installed on both horizontal surfaces of each joint seam." 4. Add to WSWS 3.5.4(i)3(b) the following: "When flexible butyl rubber gasket material is used to seal joints in storm manholes, the gasket shall be installed on the outermost horizontal surface of each joint seam." CITY 3.5.7(d) Sealing of Connection The Contractor shall seal the area around the pipe connection with a mortar mix to prevent the accumulation of waste materials within the area of the void between the pipe and the manhole structure. The mortar shall be packed into the void and troweled off. City 3.5.7(e) Outside and Inside Drops at Sanitary Sewer Manholes All connections of sanitary sewer pipe (including private sanitary sewer laterals) to manholes that require a drop in elevation greater than two (2) feet between the invert elevation of the pipe and the bench of the manhole shall be made utilizing outside drops only. No inside drops are allowed, unless approved by the City Engineer. All outside drops shall be encased in Class "D" concrete with a minimum of 4" of concrete cover around the pipe. If the use of an inside drop at a private lateral is approved by the City Engineer, it shall have a PVC drop bowl without hood, 11 gauge 304 stainless steel clamping brackets and bolting hardware, PVC schedule 40 pipe and bottom elbow. A City-approved manufacturer of the inside drop assembly is Reliner/Duran Inc. with telephone number and web site of The inside drop shall be installed in accordance with the manufacturer s recommendations. WSWS Special Types of Manholes Change the standard manhole diameter from 3 feet, 6 inches to 4 feet, 0 inches. WSWS 3.5.8(d)1 Precast Manhole Flexible Connection Delete the text of this section and replace with the following: "When an outside drop connection is made to a precast manhole with a flexible connection as required in Section 3.5.7(c), it shall be constructed as shown on Detail 406." REVISION DATE December 17, 2012 p

22 WSWS WSWS CATCH BASINS, STORM WATER INLETS AND STORM WATER DRAINS Catch Basins Delete this entire section and replace with the following: "Precast concrete catch basins will be used at all times, unless monolithic concrete construction or solid block concrete construction has been authorized by the Engineer. Catch basins constructed with hollow block are not allowed and no exceptions will be allowed. The catch basins shall be constructed to conform with the requirements and details shown in the detail section of the City's Standard Specifications. The Contractor shall backplaster the area of the grade rings of catch basins and inlets to provide a smooth contoured brushed finish." The Contractor shall submit manufacturer's certificates for the precast concrete catch basins to the Engineer prior to using them on the project. The certificates shall state that the catch basins conform to the requirements of ASTM C-478 and shall be signed by an authorized representative of the manufacturer." WSWS WSWS Trapped Sewer Catch Basin Delete this entire section. Storm Water Inlet Delete the text of this section and replace with the following: "Where storm water inlets are approved by the City Engineer in lieu of catch basins, such inlets shall be of precast concrete, unless monolithic concrete construction or solid block concrete construction has been authorized by the Engineer. Storm water inlets constructed with hollow block are not allowed and no exceptions will be allowed. The inlets shall be constructed to conform with the requirements and details shown in the detail section of the City's Standard Specifications. The Contractor shall submit manufacturer's certificates for the precast concrete inlets to the Engineer prior to using them on the project. The certificates shall state that the inlets conform to the requirements of ASTM C-478 and shall be signed by an authorized representative of the manufacturer." REVISION DATE December 1, 2003 p (A)

23 405 - ADDITIONAL CITY REQUIREMENTS FOR SANITARY SEWER CONSTRUCTION Television Inspection On projects where the City is the Owner, the City will perform a television inspection of the mainline sewer pipe upon completion of all construction on the project and before final acceptance of the project. The initial television inspection of the sewer will be done by the City at no cost to the Contractor. Any recleaning or revideotaping of the sewer required due to problems noted by the initial videotaping, will be charged to the Contractor. The City normally does not perform such television inspections between the dates of November 15, and March 15, inclusively. At no cost to the City the Contractor may have another party perform interim videotape inspection of the sewer lines on the project before all work on the project is completed. When the City is not the Owner of the sewer line, the Contractor or Owner shall have another party perform the cleaning and television inspection at no cost to the City, and a VHS videotape of the inspection shall be furnished to the City for keeping. Television inspections performed by other parties shall conform to the requirements of Section 440. All television inspections shall be completed and videotapes made available for the City's review prior to acceptance by the City. All sewers shall be cleaned of all sediment and debris prior to videotaping. The cleaning shall be performed using high pressure jetting equipment and in such a manner as to prevent sediment and debris from entering other sewer lines. For new sewer lines, any of the following defects evident from the television inspection shall be repaired by the Contractor and shall be revideotaped for acceptance after the repair. The following list represents some defects that will not be accepted. The list is not all-inclusive. a) Dips in pipe exceeding one-eighth of the internal diameter or 1.5 inches, whichever is the lesser value, when the slope of the pipe is greater than or equal to one percent (1%). b) Dips in pipe exceeding one (1) inch when the slope of the pipe is less than one percent (1%). c) Cracked, broken, or ovalled pipe. d) Infiltration at joints or along the pipe. e) Bulges in the pipe. REVISION DATE November 26, 2001 p

24 405.2 Adjusting Manhole, Catch Basin, and Inlet Frames and Covers The Contractor shall adjust manholes, catch basins, and inlets in accordance with WDOT Delete the third sentence of WDOT Section (1) and replace with the following sentence. " Support the fixture on precast concrete grade rings, constructed to hold the covers firmly in place." Delete WDOT Section (3) in its entirety. Solid concrete block, concrete bricks, or metal wedges and shims are preferred for the adjustment of frames. If wooden wedges or shims are used they shall be removed and the area tuckpointed prior to the acceptance of the work. When adjusting casting are used at sanitary manholes, the Contractor shall seal the seam between the adjusting casting and the manhole frame with a butyl rubber caulk. If a centering tab exists on the manhole lid of a manhole adjustment using an adjusting casting, the Contractor shall remove the centering tab before making the elevation adjustment Sanitary Sewer Pipe Materials Unless otherwise specified in the Contract Documents, all pipe and fittings used to repair or initially install sanitary sewer pipe for mains, risers, and service laterals shall be as follows. Depth (feet) to Invert Elevation of Pipe Pipe Description Specification through 15 feet PVC SDR35 ASTM D3034 greater than 15 feet PVC SDR 26 or ASTM D3034 PVC DR25, DR18, or DR14 AWWA C-900 All sanitary sewer pipe and fittings shall conform to the requirements of the specifications listed above and of WSWS REVISION DATE December 17, 2012 p (A)

25 406 - ADDITIONAL CITY REQUIREMENTS FOR STORM SEWER CONSTRUCTION Television Inspection Allowable dips in storm sewers shall be as specified in WSWS All other requirements of Section are applicable also to the construction of storm sewers Culverts The following sections of the Wisconsin DOT Specifications are by reference made a part of the City's Standard Specifications. WDOT 520 Pipe Culverts WDOT 521 Corrugated Steel Pipe Culverts WDOT 522 Reinforced Concrete Pipe Culverts WDOT 523 Reinforced Concrete Horizontal Elliptical Pipe Culverts WDOT 524 Salvaged Pipe Culverts WDOT 525 Corrugated Aluminum Pipe Culverts Measurement and payment for culverts shall be in accordance with the requirements of the referenced WDOT sections Riprap The following sections of the Wisconsin DOT Specifications are by reference made a part of the City's Standard Specifications. WDOT 606 Riprap WDOT 645 Geotextile Fabrics Prior to using the riprap, the Contractor shall notify the Engineer of his source for the riprap and arrange for the Engineer to inspect the riprap at its source to verify that the weight of the stone pieces meets the requirements of the specifications. The Contractor shall place all riprap onto Geotextile Fabric, Type R or Type HR as specified in the Contract Documents. The materials, installation, measurement, and payment shall conform to the requirements of WDOT 645. Measurement and payment for riprap shall be in accordance with the requirements of WDOT Trash Racks at Storm Sewer Outfalls General The Contractor shall furnish and install a trash rack at the outfall of storm sewers where indicated in the Plans or Contract Documents. REVISION DATE November 20, 2000 p

26 The bars shall be placed horizontally at the outfall end of the pipe and shall be held in place in some manner as to prevent removal of the rack except for maintenance purposes. The maximum clear spacing of the horizontal tubes or bars shall be six (6) inches, and the minimum clear spacing shall be four (4) inches. The grate shall be hot-dipped galvanized after fabrication or shall be constructed of corrosion resistant material approved by the Engineer Measurement and Payment Trash racks for storm sewer outfalls will be measured by the unit complete in place, and the quantity to be paid for shall be the number of units of each size incorporated in the work and accepted in accordance with the contract. As specified in the Contract Documents, the cost of the trash racks shall be included in the contract unit prices for storm sewer outfalls, or the quantity of trash racks will be paid for at the contract unit price for each of the trash rack sizes specified. The contract unit price shall be payment in full for furnishing, transporting, and installing the trash racks, including connections, and for all labor, supervision, equipment, materials, tools, supplies, and incidentals necessary to complete the work Adjusting Manholes & Catch Basins/Inlets See Section regarding manhole adjustments which shall also apply to storm manholes, catch basins and inlets. REVISION DATE December 17, 2012 p

27 406.6 HDPE Pipe for Cross Country Storm Sewers If specified in the Contract Documents for City contracts or if approved by the City Engineer on private development projects, corrugated high density polyethylene (HDPE) pipe with smooth interior may be used for cross country storm sewers in areas where vehicular traffic is not expected to occur. The pipe and fittings shall conform to the retirements of AASHTO M294 or ASTM F-667 and shall be installed in accordance with the pipe manufacturer's written installation procedures and recommendations. REVISION DATE December 13, 2004 p (A)

28 407 - AMENDMENTS TO WSWS PART IV - CONSTRUCTION - WATER MAIN WSWS LAYING OF WATER MAIN WSWS Method of Chlorination Delete the entire text of WSWS and replace with the following wording: "Water mains shall be disinfected in accordance with the requirements of ANSI/AWWA C651, latest edition, Standard for Disinfecting Water Mains. Sodium hypochlorite in liquid form and either the continuous-feed method or the slug method shall be used to disinfect water mains. Calcium hypochlorite tablets or granules shall not be used for disinfecting water mains. The sodium hypochlorite liquid will be furnished by the Water Utility at no charge to the Contractor." WSWS Thrust Restraints Add the following text: "The Contractor may use solid concrete block for thrust or reaction backing for water mains of twelve (12) inch diameter or less unless the trench walls are unstable. In addition to thrust restraints, the contractor shall provide one of the following: 1. Tie rod strapping as per WSWS wrapped with polyethylene. 2. Wedge action joint mechanism such as Series 1100 "Megalug" as manufactured by EBAA Iron, Inc. or equal. WSWS DUCTILE IRON WATER MAIN WSWS Joints In section 4.4.2(b)4, delete the entire text of the last sentence which starts with "After a joint...". Delete the entire text of WSWS 4.4.2(c) (lead joints), including Table 9, and replace with the following wording: "The use of lead joints and of lead wedges or gasket tips is prohibited on water distribution projects in the City of West Bend." CITY 4.4.2(d) Electrical Continuity The Contractor shall provide for electrical continuity throughout the new water main using either copper cables or copper straps. Bolts of mechanical joints and Megalugs shall not be considered to provide electrical continuity. Wedges or gasket tips made of either lead or brass are not allowed. REVISION DATE December 13, 2004 p

29 WSWS Polyethylene Wrap Add the following text after the first paragraph: "The City reserves the right to require double wrapping of the pipe with polyethylene in lieu of single wrapping. If double wrapping of the pipe is required, it will be specified on the Plans or in the Contract Documents. The Contractor shall double wrap all valves and fittings. When installing polyethylene wrap at hydrant assemblies, the Contractor shall not wrap the base of the assembly in such a manner that would interfere with the drainage of the hydrant assembly". WSWS WSWS PRESTRESSED CONCRETE WATER MAIN Delete this chapter in its entirety and replace with the following: "The use of prestressed concrete pipe is not allowed on water distribution projects in the City of West Bend." INSTALLING HYDRANTS Add the following text: "The Contractor shall utilize handling techniques and installation procedures that will protect the manufacturer s protective coating of the hydrant. If the coating is or becomes damaged, the Contractor shall repair the coating in strict conformance with the manufacturer s written procedures." REVISION DATE December 17, 2012 p (A)

30 WSWS Protective Coatings Delete this section in its entirety. WSWS GRADE AND DIRECTION CHANGES WSWS Grade Changes for PVC Main Delete this section in its entirety. WSWS VAULTS Delete this entire chapter. WSWS BORING AND JACKING WSWS JACKING Add the following text: "Unless otherwise specified in the Contract Documents, all water main pipe to be installed in casings shall have restrained push-on type joints such as "Snap-Lock Restrained Joint Ductile Iron Pipe" by Griffin Pipe Products, "Super Lock Joint Pipe" by Clow Corp., or an approved equal. Wedge action joint mechanisms such as "Megalug" or joint restraint mechanisms such as "Uniflange" will not be allowed within casings. The Contractor shall furnish and install casing chocks where the water main is installed within casings. The casing chocks shall have a non-metallic liner to isolate the water main from the chock and shall provide a minimum of 0.75 inches clearance between the greatest outside diameter of the water main and the inside diameter of the casing. The casing chocks shall be attached to the water main at ten (10) foot spacing and shall be installed in accordance with the manufacturer's instructions. The casing chocks shall be Model 4810 as manufactured by Power Seal Pipeline Products Corp., or approved equal. After installing the water main in the casing, the Contractor shall then seal the ends of the casing to prevent sediment from entering the casing. No casing filler is required. Unless otherwise specified in the Contract Documents, all casing chocks, pipe and other materials needed for installing the water main in the casing and for sealing the ends of the casing shall be furnished by the Contractor and the cost of furnishing and installing the materials shall be included in the bid price for the appropriate size of water main pipe. REVISION DATE November 22, 1999 p

31 WSWS WSWS CONNECTION, REMOVAL AND ABANDONMENT Connection Mains Add the following text: "The Contractor shall notify the City of West Bend Water Utility by noon of the previous work day prior to the scheduled connection of a new water main to an existing water main." CITY Operation of Existing Valves The Contractor is not to operate any existing valves in the water distribution system. Only Water Utility personnel are authorized to operate the existing valves. WSWS WSWS Pressure Test Add the following text: "The pressure test shall be made against each valve. The test shall be rerun if there is any drop in pressure during the testing period specified." DISINFECTION OF WATER MAINS CITY Chlorination, Sampling and Testing The Contractor shall be responsible for swabbing all water main pipes, if necessary. Only liquid chlorine shall be used. The Water Utility will supply all liquid chlorine for swabbing pipes. Water Utility personnel will be responsible for all chlorination of the new water main. The Contractor shall provide all equipment and labor to flush the new water main. The Contractor shall coordinate with the Water Utility for the flushing of the water main. The Contractor shall NOT operate any valves or hydrants that existed on the water distribution system prior to the Contractor's construction operations on the project. Only Water Utility personnel are authorized to operate such valves and hydrants on the existing system. Water Utility personnel will obtain all necessary water samples and will make all decisions regarding rechlorination. The flushing and chlorination of water mains shall be in accordance with the requirements of WSWS , WSWS and AWWA C-651, latest edition. WSWS INSULATION Delete the text of this section and replace with the following: CITY General Water mains and building water services shall be insulated where noted on the plans and wherever the depth of cover is less than six (6.0) feet, or wherever there is less than two (2) feet of separation between the water pipe and any storm sewer pipe or other open structures. REVISION DATE December 17, 2012 p

32 CITY Water Main Insulation The insulation for water mains shall be polystyrene boards. Polystyrene boards conforming to WSWS shall be installed as follows (See Detail 433): 1. Prior to placing the polystyrene boards, the Contractor shall place, level, and compact bedding material to a height of (6") inches over the top of the pipe. 2. The insulation boards shall be placed on the cover material with the long side parallel to the centerline of the water main. If two (2) or more layers of insulation board are used, each layer should be placed so as to cover the joints of the layer immediately below. The insulation boards shall be centered over the pipe. 3. The first lift of backfill material shall consist of six (6") inches of bedding material which shall be end or side dumped onto the insulation board and spread in such a manner that construction equipment does not operate directly on the insulation. This layer shall be compacted to the specified density. The remaining layers of backfill may be constructed utilizing conventional procedures. CITY Building Water Service Insulation The insulation for building water services shall conform to section WSWS with the addition of neoprene pipe wrap. Neoprene pipe wrap shall be installed prior to insulating the building water service in accordance with section WSWS (See Detail 433) Neoprene pipe wrap shall be commercially available preformed insulation material with a minimum wall thickness of five eighths (5/8") inch for three quarter (3/4") inch and one (1") inch building water services. For building water services larger than one (1") inch in diameter, the size of the neoprene pipe wrap shall be subject to approval by the Engineer. REVISION DATE DECEMBER 17, 2012 p (A)

33 408 - ADDITIONAL CITY REQUIREMENTS FOR WATER MAIN CONSTRUCTION Electrical Continuity Test Following completion of installation of the water main, the Engineer reserves the right to select a random section of the main for an electrical continuity test. The Contractor shall notify the water utility at least twenty-four (24) hours in advance before performing this test. This random section shall be subjected to 300 amps AC and DC for fifteen minutes. All equipment necessary to establish a closed circuit, with the test section of water main providing one leg of the circuit, shall be provided by the Contractor at no additional cost to the City. If the random section passes the test, the electrical continuity for the entire water main installation will be considered acceptable. Should the random section fail the test, it shall be repaired by and at the expense of the Contractor and shall be retested by the Contractor. This process shall continue until the water main passes the test. In addition, if the random section fails the test, the remainder of the project will be divided into test sections by the Engineer and tested for specification compliance, by and at the expense of the Contractor. After the test is satisfactorily completed, the Contractor shall remove all testing equipment and materials from the water main Existing Sanitary Sewer, Storm Sewer, and Water Main The Contractor shall take appropriate action to ensure that no silt or backfill material enters the existing sanitary sewer, storm sewer, or water main lines or new water main. Any material that enters the existing or new utilities as a result of the construction shall be cleaned by the Contractor at no expense to the City Re-Laying Water Mains When the Contractor is required to lay a new water main to replace an existing, in-use, water main, the Contractor shall comply with the following additional requirements Installation Sequence The Contractor shall coordinate the installation, flushing, and testing of the new water main system, reconnection of existing water service lines, and abandonment of the existing water main so as to cause minimum interruption of water service to each user within the project limits. The Contractor shall prepare an installation sequence, and submit it at the preconstruction conference for review and approval by the Engineer. The REVISION DATE p

34 Contractor shall keep the existing water main system fully operational until the new water main has been tested and satisfactory water quality samples obtained. Only after the new water main is tested and a satisfactory water quality sample is obtained, may the Contractor begin reconnecting the existing water service lines to the new water main Service Disruption Notification When a water main needs to be shutoff during construction activities, the Contractor shall notify the West Bend Water Utility at least forty-eight (48) hours prior to the shutoff. The West Bend Water Utility will notify the users in the shutoff section about the coming service disruption. When a water service lateral needs to be shut off or replaced during construction activities, the Contractor shall notify the user and the Water Utility at least four (4) hours prior to the service disruption for residential users and at least twenty-four (24) hours prior to the service disruption for business users. If water service to any user is accidentally disrupted by the Contractor's operation, the Contractor shall immediately notify the user and the West Bend Water Utility of the disruption and the estimated time the restoration of the service will be complete Water Service Reconnections Unless otherwise specified, all water service pipes shall be copper water tubing of the diameter specified in the Contract Documents. After reconnecting the water services to the new water main, the Contractor shall leave the corporation stops on the existing water main in the closed position, and shall open the corporation stops on the new water main Abandonment of Existing Water Main When specified in the Contract Documents for re-lay projects, the Contractor shall abandon the existing water main by pumping the pipe full of a fly-ash concrete slurry or cellular concrete. Sand slurry will not be allowed. The slurry or concrete shall have a 500 psi minimum 28 day strength. The Contractor shall add sufficient water to the mix to ensure that the mix will flow the full length of the section of main being filled. Said concrete shall be subject to the approval of the Engineer. No line is to be abandoned until after all water services on that line have been reconnected to the new water main and are operational Opening or Closing Existing Water Mains If an existing water main must be closed or opened during the work, the Contractor shall notify the City of West Bend Water Utility of the need at least twenty-four (24) hours prior to the needed time. The Contractor shall not open or close existing water mains. Only authorized representatives of the Water Utility are allowed to open or close existing water mains. REVISION DATE November 20, 2000 P

35 Temporary Air Release Assemblies (Blowoffs) At the dead end of water mains and all water laterals that are three (3) inches or larger in diameter and at locations determined in the field by the Water Utility and/or by the Engineer, the Contractor shall furnish and install a temporary two (2) inch air release assembly (blowoff) to facilitate flushing of the line after the chlorination, sampling, and testing of the line. The blowoff shall be constructed using a two (2) inch corporation stop and two (2) inch copper tubing. Unless otherwise instructed by the Water Utility, the Contractor shall close the corporation stop and remove the tubing of the blowoff after a safe sample test has been obtained. All costs associated with furnishing, installing, and removing the blowoff shall be considered incidental and shall be included in the cost of the pipe causing the need for the temporary air release assembly Abandoning and Replacing Water Service Laterals When a building served by an existing water service lateral is demolished or when a new or replacement water service is required, the existing water service lateral must be abandoned at the water main and the corporation stop turned off in accordance with WSWS 5.6.3(c). This requirement may be waived by the Manager of the Water Utility. Requests for waivers must be submitted in writing to the Manager of the West Bend Water Utility Water Valve Installation For all water valves the Contractor shall tighten the bolts on the bonnets before installing the valve As-built Valve Manufacturer List For all projects that include water main construction, an as-built list showing the City s GIS water valve identification number, the manufacturer s name, and the model of the valve actually installed shall be furnished by the Contractor on City contract projects and by the Developer on private development projects. The valve list shall include the valves on the main line and on hydrant leads. The City will provide the GIS valve identification numbers. REVISION DATE December 17, 2012 P (A)

36 WSWS GENERAL AMENDMENTS TO WSWS PART V - BUILDING SERVICES WSWS Minimum Size Delete the text and replace with the following: "The minimum size building sanitary sewer shall be in accord with the Wisconsin Administrative Code, unless otherwise specified, or four (4") inches in diameter, whichever is the larger diameter." CITY Location Data of Non-Conductive Service Laterals The following requirements are a result of Act 425 passed by the Wisconsin State Legislature. Act 425 became effective on June 3, 2006 for all service laterals installed after December 31, For all non-conductive water or sewer service laterals that are installed within the City s right-of-way or within a City easement, the Contractor shall furnish and install tracer wire on each lateral. In addition, the following shall be provided. On City contracts the Contractor shall provide the City s Engineering Department with the location of the lateral at the mainline, the invert elevation at the mainline and at the top of the riser that connects the lateral to the main line, and the location and invert elevation at the edge of the right-ofway or easement and a sketch or map of the location of each lateral. On private development projects the Developer shall provide the City s Engineering Department with the location of the lateral at the mainline, the invert elevation at the mainline and at the top of the riser that connects the lateral to the mainline, and the location and invert elevation at the edge of the rightof-way or easement and the information shall be featured on the required as-built plans. A "non-conductive" service lateral is one constructed using a pipe material that is not able to conduct an adequate electrical current for purposes of locating the underground service lateral. TRACER WIRE FOR EACH NON-CONDUCTIVE LATERAL SHALL BE INSTALLED IN ACCORDANCE WITH DETAILS 461 (SANITARY), 462 (WATER), AND 463 (STORM). The location on the main line shall be referenced to the center of at least one manhole barrel (not the lid/cover) on the main line for sewer laterals and to at least one valve or tee (whichever is closest) on the main line for water laterals. The invert elevations at the main line and at the edge of the rightof-way or easement shall be referenced to the National Geodetic Vertical Datum of 1929 (NGVD29). Acceptance of improvements on private development projects or approval for final payment on City contracts is contingent upon receipt by the City of the service lateral information described in the preceding paragraphs and upon satisfactory REVISION DATE December 15, 2008 p

37 WSWS EXCAVATION verification by the Contractor (in the Engineer's presence) of electrical continuity of the tracer wires installed on each nonconductive service lateral. Refer to the City s additional requirements in WSWS and WSWS for location and painted post-marking of lateral ends. WSWS Building Combined Sewers Delete this entire section. WSWS Water Service Piping Add the following text: "Water service piping may be laid in the same trench as the sanitary sewer lateral, as shown in WSWS File No. 50, Part IX. The sanitary sewer service trench shall be backfilled up to the elevation of the bottom of the water service line with bedding and cover material conforming to WSWS and respectively, and substantially compacted before installing the water service." WSWS LAYING OF BUILDING SEWERS WSWS Connection Point to Main Sewer Add the following text: "At the connection point of building sanitary sewer laterals to the sanitary sewer main, the connection shall be made using in-line wye connections and Fernco couplers (or approved equal) at new sanitary sewer main under construction or at existing sanitary sewer mains that are constructed with clay pipe. For connections to existing sanitary sewer mains that are not constructed with clay pipe, the connection may be made using cored, cut-in, or saddle tees. See Detail 430. This requirement supersedes the allowable connections mentioned in WSWS 5.3.2(a) and (b)." WSWS Alignment and Grade Add the following text: "All new sanitary building service laterals installed for connection to future buildings shall be installed from the main complete to a location at zero (0) to two (2) feet past the right of way (into the lot) and properly plugged. The Contractor shall mark the end of the lateral with a 2" x 4" or 4" x 4" wooden post, pressure treated with ACQ (Alkali Copper Quat) or a 4" x 4" hardwood post with at least four (4) feet exposed above ground and at least the top two (2) feet painted fluorescent green." WSWS Type of Pipe to be Used Delete the first paragraph and replace with the following text: "PVC pipe shall be used for building service sewers, unless otherwise authorized by the Engineer. The minimum size building sewer shall be four (4) inches in diameter, unless otherwise specified. In a remove and replace project, the minimum pipe size shall be equal to the size of pipe that was removed, but not smaller than four (4) inches. The class of pipe required for PVC REVISION DATE November 27, 2006 P

38 or other materials which may be allowed, shall be as listed in Table 11 of WSWS " WSWS ACCEPTANCE TESTING OF BUILDING SEWERS Delete all text in this chapter and replace with the following: "All building sanitary sewers shall be tested simultaneously with the main sewer, as specified in WSWS Part III." WSWS LAYING OF WATER SERVICES WSWS Lead Joints Delete this entire section WSWS Connection to Water Main Delete the entire first paragraph of WSWS 5.5.8(a) (General) and replace with the following text: "The connection to the water main for the corporation stop of the tap service or the tapping valve of the branch service shall be made by the Contractor only in the presence of the Engineer. The connection shall not be backfilled until the connection is approved by the Engineer. Any defects in workmanship or materials and any failures due to said defects shall be the responsibility of the Contractor during the guarantee period." WSWS Alignment and Position Add the following text: "All new building service water laterals installed for connection to future buildings shall be installed complete with curb stop. The curb stop shall be placed at a location at zero (0) to two (2) feet past the right-of-way (into the lot). The curb stop consists of the shut off valve and the valve service box. The Contractor shall paint the top of the valve box blue in color. The Contractor shall mark the end of the water lateral with a 2"x4" or 4"x4" wooden post, pressure treated with ACQ (Alkali Copper Quat) or 4"x4" hardwood post and with at least four (4) feet exposed above ground and at least the top two (2) feet painted fluorescent blue." WSWS Laying Water Services Add the following text: "In lieu of bending the horizontal offsets at the corporation stops when using 1 1/4", 1 1/2", and 2" copper water service piping, the Contractor may install the pipe in a curved path in such a manner as to allow for movement of the in-place pipe. The water service lateral shall be installed at such an invert elevation at the water service box (curb box) so that valve stem extensions (risers) are not needed for operation of the valve with a standard seven (7) foot long valve-opening key and so that the six (6) foot minimum cover of the lateral is maintained. " WSWS Insulation Delete the text in this section and replace with the following text: "See Section 407 of the City's Standard Specifications concerning WSWS " WSWS LAWN SPRINKLER SERVICE SYSTEM Delete this entire chapter. REVISION DATE November 27, 2006 P

39 410 - AMENDMENTS TO WSWS PART VIII - MATERIAL SPECIFICATIONS WSWS WSWS WSWS WSWS WSWS WSWS WSWS WSWS POLYVINYL CHLORIDE SEWER PIPE AND FITTINGS Requirements Add the following text: "Polyvinyl chloride pipe to be used in sanitary sewers shall be green or blue in color. White colored PVC shall not be used for sanitary sewers." DUCTILE IRON WATER PIPE Description Delete the last sentence and replace with the following text: "Unless otherwise specified in the Contract Documents, the minimum pipe thickness or class shall be ANSI Class 52. The pipe size and length shall be as specified in the Contract Documents." PRESTRESSED CONCRETE PRESSURE WATER PIPE, STEEL CYLINDER TYPE, FOR WATER MAIN Delete this entire chapter and replace with the following text: "The use of prestressed concrete pipe is not allowed on water distribution projects in the City of West Bend." Nuts and Bolts Delete all text in this section and replace with the following: "All nuts and bolts used in flanges for live tap valve sleeves and for valve-to-hydrant connection joints shall be made from ASTM 304 stainless steel. All T-bolts used for all other water main fittings shall be made from corrosion-resistant highstrength low-alloy steel and shall be coated with "Fluorocote #1" fluoropolymer coating, or equal. All nuts and bolts shall conform to all other requirements of AWWA C-111." COPPER WATER TUBING Requirements Add the following text: "Unless otherwise specified in the Contract Documents or approved by the City Engineer, all water service laterals to single family and duplex residences shall be one and one-fourth (1¼") diameter from the water main to the stop box (water service shutoff valve). Water service laterals to commercial and industrial properties and to multi-family residences shall be as specified in the Plans or Contract Documents." REVISION DATE December 17, 2012 p

40 WSWS CAST IRON SERVICE BOXES (Curb Boxes for Curb Stop Water Service Shutoff Valves) Add the following section: CITY Additional Requirements All curb boxes used on the water distribution system of the City of West Bend shall be Mueller H or H or approved equal meeting the following additional requirements. 1. The upper barrel and the lower section of curb boxes shall be Class B gray iron pipe. 2. All curb boxes shall be designed to telescope downward to protect against truck loading or similar type weight applied to the top section of the box. 3. There shall be a heavy phosphorus bronze spring meeting ASTM B-159 requirements, positioned between the upper and lower section to assure proper telescoping of the upper barrel and to provide reasonable rigidity during installation. The upper section shall be retained in the lower barrel by at least two lugs flared at the bottom of the upper section. WSWS FIRE HYDRANTS Add the following section: CITY Additional Requirements All hydrants used on the water distribution system of the City of West Bend shall be Waterous (American Flow Control) "Pacer" - model WB-67, Clow "Medallion" with bronze lower valve plate, Mueller "Centurions", or approved equal meeting the following additional requirements. The term "hydrant" includes the nozzle, standpipe, and base bend sections complete with all parts making it a functioning complete assembly. 1. Hydrants shall be "traffic type" with break-off coupling on the standpipe and on the stem. 2. Hydrants shall be equipped with a 6" diameter inlet and 5¼" minimum diameter valve opening. 3. Hydrants shall be equipped with one 5" diameter pump nozzle and two 2½" diameter hose nozzles. All nozzles are to be equipped with National Standard threads. 4. Hydrants shall have a 1½" pentagonal operating nut opening counter clockwise. 5. Hydrants shall be equipped with O-ring packing. 6. Hydrants shall be provided with a flanged joint at the base bend for connection to the adjacent shut off valve. REVISION DATE December 15, 2008 P

41 7. The bronze lower valve plate shall be installed on the hydrant prior to delivery to the project site. 8. The hydrants are to be provided in lengths required for specific hydrant locations shown on the Plans. The hydrant lead is to have a minimum of six (6) feet of cover and the center of the "traffic breakoff" flanged connection (between the nozzle section and standpipe section) is to be vertically positioned between 1" and 4" above the surrounding finished ground elevation. 9. The hydrant section located above the center of the "traffic breakoff" flanged connection shall be painted yellow by the manufacturer before shipping to the Contractor. If the paint is or becomes damaged, the Contractor shall repair the protective coating in strict conformance with the manufacturer s written procedures. WSWS GATE AND RESILIENT WEDGE VALVES Add the following sections: CITY Resilient Wedge Valves For 3" through 12" valves on water distribution piping in the City of West Bend, resilient wedge valves are required. Resilient wedge valves shall be Clow, Mueller, Waterous, or equal meeting the following additional requirements. Gate valves are not allowed on water mains in the City of West Bend. 1. The valve body and bonnet shall be made of cast iron meeting ASTM A-126 Class B, whereas bronze parts shall meet either of the following ASTM, B-61, B-62, B-98 as prescribed by AWWA C-509 for water with a specific conductance of more than 350 UMHO/CM. 2. Valves shall be non-rising stem type and shall have a 2" square operating nut opening to the left (counterclockwise). 3. Valves attaching to hydrants shall have a flanged joint towards the hydrant and a mechanical joint away from the hydrant. All other valves shall be equipped with mechanical joints at each end. 4. Resilient wedge valves shall be epoxy lined in accordance with AWWA C The working pressure of the valves shall be 200 psi. 6. Prior to shipping from the factory, all valves shall be hydrostatically shell tested at 400 psi and shut off tested at 200 psi, with no leakage allowed at the 200 psi shut off pressure. REVISION DATE December 17, 2012 p

42 7. All valves shall be of the design that permits repacking under pressure in the fully open position. At least one (1) o-ring is to be located above and one (1) o-ring below the stem thrust collar, thus permitting automatic lubrication of the thrust collar during the operation of the valve. A bronze stem collar bushing or bonnet bushing will be acceptable in lieu of the lubricant to assure ease of valve operation after extended periods of not being used. 8. The basis of the structural design of the valve shall be such that should a valve stem failure ever occur during the closing of the valve, the failure shall not be subjected to the pressure retaining parts such as the valve body bonnet. This gives assurance that if excessive torques are applied, resulting in failure of the stem, the failure will be external and can be safely handled in a workmanlike manner and permit the repair of the stem to be completed under adverse conditions. CITY Cut-In Valves and Sleeves (Tapping Valves and Sleeves) All cut-in (tapping) valves shall be resilient wedge valves with mechanical joints. Where cut-in valves are used, a mechanical joint cut-in sleeve shall be furnished by the Contractor to facilitate ease of installation of the valve and sleeve onto all classes of cast iron or ductile iron pipe. Cut-in sleeve and cut-in valve glands are to be such that all classes of cast iron and ductile iron pipe will serve the one gland by changing only the gasket. WSWS BUTTERFLY VALVES Add the following section: CITY Additional Requirements For valves larger than 12" diameter on water distribution piping in the City of West Bend, butterfly valves are required. All butterfly valves shall be Henry Pratt Company, or approved equal, meeting the following additional requirements. 1. All butterfly valves are to be provided with worm gear operators and extension stems. 2. All valves and actuators are to be compatible with buried or submerged service. REVISION DATE December 17, 2012 p

43 3. Seals on shafts and gaskets on valve and actuator covers shall be provided to prevent entry of groundwater and dirt. Mounting brackets shall be provided with gasket seals. 4. All butterfly valves are to have mechanical joints. 5. The working pressure of butterfly valves shall be 150 PSI for valves larger than 12". Prior to shipping from the factory, all valves are to be hydrostatically shell tested at twice the working pressure and shut off tested at the working pressure with no leakage allowed at the shut off test pressure. WSWS CAST IRON VALVE BOXES Add the following section: CITY Additional Requirements All valve boxes used on the water distribution system of the City of West Bend shall be Tyler Type DD for depths of 5.5 feet or less and Tyler Type F for depth greater than 5.5 feet, or approved equal meeting the following additional requirements. 1. The valve box length shall be sufficient to provide for the depths of cover shown on the drawings. 2. The valve box shall be furnished with a no-tilt drop cover marked "water". 3. The valve box shall be a three (3) piece screw type and shall have threads for the top and middle sections that are compatible with Clow or Tyler brand valve boxes. 4. All valve boxes shall be installed upon the valve with the use of a valve adaptor to center the valve box over the valve nut. The valve adaptor shall be made of epoxy-coated 0.25" steel, as manufactured by Adaptor, Inc. (tel ), or approved equal. When used for gate valves the adaptor shall be installed with a 0.5" rubber gasket. WSWS CORPORATION STOPS (Service-to-Main Tie-in Valve) Add the following section: CITY Additional Requirements All corporation stops used on the water distribution system of the City of West Bend shall be Mueller type H for flared connections or Mueller type H for compression connections, Ford equivalent, or other approved equal, meeting the following additional requirements. REVISION DATE December 17, 2012 p

44 1. All components of the corporation stops shall be manufactured of brass cast in accordance with AWWA C- 800 Section 1, Paragraph 1.2 (ASTM B62). All brass castings shall conform to ASTM B62, and shall consist of copper, tin, lead, zinc, as checked and verified in the finished (completed) product. A notarized certificate shall be signed by an officer of the manufacturing company stating compliance of the finished product (completed) with AWWA C-800 and ASTM B62 and of their latest revisions. All component parts, body, key, washer, nut, and tube nut shall have the same metal analysis complying with ASTM B Inlet and outlet threads shall fully conform to AWWA C- 800 with the key and body seating surfaces being accurately machined and fit to the taper of 1¾" per foot, (.1458 inch per inch) plus or minus.007 inches per inch. The key shall have a "D" shaped boss provided at the small end and the retaining washer shall have a matched flat surface so machined as to provide an interference fit across the diameter of the boss perpendicular to this surface. There shall be no evidence of staking or chisel marks in this assembly. 3. The stem and retaining nut shall be so designed that failure from over tightening the retaining nut shall result in the stripping of threads rather than the stem fracture. 4. Corporation stops of the 1" size shall weigh no less than 3.7 pounds, and the 1¼" size no less than 5.7 pounds. WSWS CURB STOPS (Water Service Shut Off Valves) Add the following section: CITY Additional Requirements All curb stops used on the water distribution system of the City of West Bend shall be Mueller type H or H for flared connections or Mueller type H for compression fittings, Ford equivalent, or other approved equal, meeting the following additional requirements. REVISION DATE December 13, 2004 p

45 1. All components of the curb stops shall be manufactured in accordance with AWWA C-800. All brass components shall conform to ASTM B62 and shall consist of copper, tin, lead, zinc as checked and verified in the finished or completed product. A notarized certificate shall be signed by an officer of the manufacturing company, stating that the completed or finished product fully complies with AWWA C-800 and ASTM B62 and of their latest revisions. 2. Curb stops shall be of the inverted key design with the Minneapolis pattern top to accommodate thread size having 11-1/2 threads per inch with a pitch diameter of.262 inch and with an O. D. diameter of inches. The inverted key design shall have a copper by copper connection. 3. All curb stops shall be of the quarter turned design and shall incorporate a check design to facilitate their quartered turning in such way that the valve key or stem shall be capable of withstanding an excess of 1,200 inch pounds of torque applied in both the fully opened and fully closed position. 4. All curb stops that are one and one-quarter inch and larger, shall be the ball or o-ring type. If o-ring designed curb stops are required, they shall be of the closed bottom design and sealed against external leakage at the top by means of a non-adjustable resilient pressure actuated seal and shall have a secondary resilient seal disposed above the pressure seal for added protection of the bearing surfaces against ground water infiltration. Further, this design shall be of the cylinder plug style having suitable o-ring seals and placed in such manner as to provide a balanced pressure across the plug. 5. The curb stop design shall be such that shut off of the curb stop shall be accomplished by a resilient pressure actuated seal so disposed in the key or plug to completely close the inlet body port flow in the closed position. 6. The curb stops shall not weigh less than 3.9 pounds for 3/4" size or 6.1 pounds for 1" size. REVISION DATE November 25, 1996 p

46 WSWS MORTAR WSWS Materials Add the following text: "Type "S" mortar conforming to ASTM Designation C-270 may be used in lieu of Type "M" mortar." WSWS CONCRETE BRICK AND BLOCK MASONRY UNITS WSWS Manhole Block Dimensions and Quality Add the following text: "Concrete block, when specified by the Engineer for manhole or inlet construction, shall be structured as a half course or solid block. No hollow core building block will be allowed, unless specifically ordered by the Engineer." WSWS BEDDING, COVER, FOUNDATION, AND BACKFILL MATERIALS WSWS Requirements Add the following text: "When crushed stone chips or crushed stone screenings are used for bedding material, the bedding material shall be placed no higher than the spring line of the pipe." WSWS Cover Material for Pipe Add the following text: "In areas susceptible to ground water flow, as determined by the Engineer, and where the bedding material is crushed stone, the Contractor may be required to flood the cover material as specified in WSWS to move cover material into the void spaces of the bedding stone." WSWS MANHOLE AND CATCH BASIN CASTINGS Delete the text of this entire chapter and replace with the following: CITY Requirements All manhole and inlet castings shall conform to the requirements of A.S.T.M. A-48, Class No. 30-B. Castings shall be free from cracks, holes, swells, and cold shuts. CITY Manhole Castings Manhole casting frames and covers shall be: 1. For sanitary sewer manholes: Neenah R-1733 M.H.D. with non-vented lid having two pick holes (no orientation notch or tab), or approved equal. 2. For storm sewer manholes: Neenah R-1733 M.H.D. with vented lid having two pick holes (no orientation notch or tab), or approved equal. 3. For sanitary sewer manholes at subaqueous or buried locations: Neenah R-1916-C water tight frame and lid assembly with bolted lid having two pick holes or approved equal. REVISION DATE November 26, 2007 p

47 Manhole covers shall be non-rocking type, to prevent cover noise under traffic. Machined bearing surfaces shall fulfill the non-rocking requirement. CITY Catch Basin Castings Storm sewer catch basin frames and grates shall be: 1. For curb catch basins: Neenah R-3067 frame with Type V (Vane) grate. When specifically indicated on the drawings or in the Contract Documents, Type DL (Diagonal Slot) or Type L (Heavy Vane) grates shall be used. 2. For driveway catch basins: Neenah R-3290-A frame with grid type grate. 3. For field catch basins: Neenah circular beehive frame and grate: - R-2561 for Type A of Detail R-2563 for Type B of Detail 426 WSWS COAL-TAR EPOXY Delete this entire chapter. CITY SUBSTITUTION OF MATERIALS Add this new chapter and text: "Neither the Owner, (when the Owner is not the City of West Bend) nor the Contractor shall substitute for materials specified without prior written permission of the City Engineer. Prior to such permission being granted, the City may require the Contractor or Owner to supply a typical unit, at the location chosen by the City, to be checked for interchangeability with the City's standard unit." REVISION DATE December 17, 2012 p

48 411 - AMENDMENTS TO WSWS PART IX - DETAIL DRAWINGS Delete the following file drawings: File No. Title 8 Standard Filled Section 9 Standard Tunnel Section 14A Standard Manhole Frame & Storm Manhole Cover 14B Standard Sanitary Manhole Cover 19 Outside Drop-Precast Manhole-Flexible Pipe to Manhole Seal 23 Details of Sampling and Gauging Manholes for Sewer Sizes from 8" to 24" Diameter 25 Standard Catch Basin (Masonry or Precast) 26 Catch Basin 27 Trapped Catch Basin 28 Standard Storm Water Inlet (Masonry or Precast) 29 Field Inlet or Catch Basin (Masonry or Precast) 32 Anchored Manhole Frame and Cover 33 Standard Square Catch Basin Casting - Curb Type 35 Field Grate Casting - 4 Flange 38 Standard Hydrant Setting 39 Butterfly Valve and Box (16" and smaller) 40 Standard Vault for Grate Valves 40A Standard Vault for Butterfly Valves 41 Air Release Vault 43 Concrete Buttress for Plug with Air Vent for 20" and Smaller 50 (Figure 1 only) Standard Section for Building Sewer and Water Services 53 Drain and Riser Assembly 54 Building Sanitary Sewer Test 55 Standard Catch Basin Casting Mountable Curb Type REVISION DATE December 13, 2004 p

49 412 - ADDITIONAL DETAIL DRAWINGS FOR WATER AND SEWER CONSTRUCTION The following detail drawings are incorporated into this water and sewer construction section of the City's Standard Specifications. Detail Number Title 401 Type "A" Manhole - Standard Precast Manhole for Storm Sewers 402 Type "B" Manhole - Standard Precast Manhole for Sanitary Sewers 403 Type "T" Storm Manhole 404 Type "C" Combination Storm Manhole and Catch Basin 405 Flat Top Detail For Sanitary and Storm Manholes 406 Outside Drop for Precast Manhole with Flexible Pipe-To-Manhole Seal 408 Connection Detail for Watertight Manhole Frame and Cover 411 Standard Frame & Cover for Sanitary Manholes 412 Standard Frame & Cover for Sanitary Manholes in Subaqueous or Buried Conditions 413 Standard Frame & Cover for Storm Manholes 421 Standard Precast Catch Basin 422 Standard Precast Inlet 423 Standard Frame & Grate for Catch Basins 424 Standard Frame & Grate for Driveway Catch Basins 425 Field Catch Basin/Inlet Type "A" 426 Field Catch Basin/Inlet Type "B" 427 Hinged Grate for Storm Sewer Outfalls 428 Joint Ties at Storm Sewer Outfalls and Culverts Using Concrete Pipe 429 Riprap Apron at Storm Water Pipe Outfalls 430 Connection of Sanitary Lateral to Main 431 Standard Hydrant Setting 432 Standard Hydrant Setting at Ditch Sections 433 Water Main/Building Water Service Insulation REVISION DATE December 15, 2008 p

50 Detail Number Title 434 Valves at Connection of Private Looped Water Lines to Public Water Mains 441 Standard Trench Section 451 Underdrains 452 Sump Drain Connection Line 453 Combination Underdrain and Sump Drain Connection Line 461 Tracer Wire for Non-Conductive Sanitary Sewer Laterals 462 Tracer Wire for Non-Conductive Water Laterals and Hydrant Leads 463 Tracer Wire for Non-Conductive Storm Sewer Laterals REVISION DATE December 15, 2008 p (A)

51 413 - REPAIR OF EXISTING SEWER AND WATER FACILITIES Scope Of Work The work under this section shall include the repair of existing sanitary and storm sewer facilities as shown on the plans, or as specified in the Contract Documents. All repair work shall conform to the requirements of Section 400 of the City's Standard Specifications except as modified within this subsection 413 or as specified otherwise in the Special Provisions. The Contractor shall furnish all labor, supervision, equipment, materials, supplies, tools, and incidentals necessary to complete the work Remove And Replace Sewer Pipe General The repair work consists of removing and replacing sections of existing sewers at various locations. The locations of proposed sewer pipe repairs are normally determined by the use of the City of West Bend Sewer Utility televising equipment and are not to be taken as exact locations, but rather close approximations of the locations. The Engineer will mark all sewer pipe repair locations prior to any sewer pipe repair work beginning. There shall be no adjustments to the unit prices for additional trench excavations to determine the exact location of the defective sections unless the defective section is ten (10) feet or more away from the location specified or marked by the Engineer Sewer Pipe Materials Unless otherwise specified in the Contract Documents, all pipe used to repair sanitary sewer pipe shall be SDR35 PVC sewer pipe conforming to ASTM D3034 and meeting the requirements of WSWS Unless otherwise specified in the Contract Documents, all pipe used to repair storm sewer pipe shall be reinforced concrete pipe, Class III, conforming to ASTM C-76 and meeting the requirements of WSWS Installation When removing a section or sections of existing sewer pipe, the Contractor shall take extreme care not to damage any adjacent sections of pipe. Any damage that may occur to adjacent sections shall be repaired by the Contractor at no expense to the City. REVISION DATE December 13, 2004_ p

52 The Contractor shall prepare the new pipe to "fit" as tight as possible in the space left by removing the old pipe. "Fernco" couplers or equal shall then be used to joint the pipes together. At no expense to the City, the Contractor shall repair any damage that may occur to existing catch basins, manholes, curb and gutter, sidewalk sections, or other City facilities due to the Contractor's sewer pipe repair operations Aggregate Slurry Backfill When required by the Contract Documents, the Contractor shall use aggregate slurry backfill material for backfill around the sewer pipe repairs when pavement or curb and gutter exists above the repair location. The aggregate slurry backfill shall conform to the requirements specified in Section of the City's Standard Specifications Granular Backfill When allowed by the Contract Documents, or by the Engineer, granular backfill may be used at repair locations that are not to be paved, provided the granular backfill meets the requirements of WSWS Surface Restoration If pavement exists above a repair location, the Contractor shall restore and compact the subbase and the pavement at that location to meet the requirements of Section of the City's Standard Specifications for asphalt pavement and Section for concrete pavement. The requirements of Section for temporary pavement are applicable to this work. If no pavement exists above the repair location, the Contractor shall restore the surface to its original condition in accordance with the requirements of Section 700 of the City's Standard Specifications Measurement and Payment Measurement for removal and replacement of sewer pipe shall be made in lineal feet of pipe actually installed. The contract unit prices for removal and replacement of sewer pipe of various specified types and sizes shall include all costs associated with removing and properly disposing of the existing damaged pipe sections and replacing them with the specified size and type of pipe; furnishing the pipe, couplers, and manufacturer's certificates for the pipe; hauling and properly disposing of excavated detrimental objects and materials; furnishing, installing, and compacting granular backfill (when allowed) and temporary pavement; and for all labor, supervision, equipment, materials, supplies, tools, and incidentals necessary to complete the work. Unless otherwise specified in the Contract Documents, the costs associated with the aggregate slurry backfill, pavements sawcutting, and restoration of the roadway pavement and ground surface at the pipe repair locations are not to be included in REVISION DATE December 15, 2008 p

53 the contract unit prices for removal and replacement of sewer pipe. These items are normally either separate bid items or are included in separate bid items. The maximum quantity for payment of pavement restoration at sewer pipe repairs shall be based upon a maximum pavement patch width of ten (10) feet and a maximum pavement patch length equal to the length of the pipe replaced plus ten (10) feet for pipes with an inert depth of ten (10) feet or less. For pipes with invert depths in excess of ten (10) feet, the maximum pavement patch width shall be fifteen (15) feet and the maximum pavement patch length shall be equal to the length of pipe replaced plus fifteen (15) feet Catch Basin Repair Work General The work under this section includes repairing existing catch basins or inlets and removing and replacing existing catch basin or inlet structures, frames, and/or grates. The location and a brief description of the work to be done at each catch basin or inlet shall be as specified in the Contract Documents. Unless specifically indicated in the Contract Documents, all structures for collecting storm water from streets shall be catch basins with twenty-four (24") inch sumps below the inlet pipes. Under certain situations, inlet structures may be specified, subject to the approval of the Engineer. Within this Section the term "catch basin" shall be understood to include both catch basins and inlets Remove and Replace Catch Basin Structures Where catch basin structures are to be removed and replaced, the Contractor shall furnish and install precast reinforced concrete catch basins as specified on Detail 421 of the City's Standard Specifications. Inlet structures shall be as specified on Detail 422. The removed structures shall be properly disposed of off site by the Contractor. The Contractor shall be responsible for determining the depth of the replacement structures and the number, size and location of the replacement pipes which will be needed. Any existing pipe inverted into the remove and replace structures shall also be removed and replaced as necessary. The replacement pipe shall be SDR35 PVC Pipe or Reinforced Concrete Pipe which matches the inner diameter size of the existing pipe. All connections between the replacement pipe and existing pipe shall be made with "Fernco" couplers (or equal). Concrete collars made of mortar and solid concrete bricks may be used only when approved by the Engineer Catch Basin Frames and Grates Where catch basin frames and grates are to be removed and replaced, the Contractor shall furnish and install Neenah R-3067 frames with Type V (vane) grates or Type DL or DR (diagonal). The type of grate shall be as specified in the Contract Documents. The existing frames and grates on the removed catch basins shall remain the property of the City, and the Contractor shall deliver and offload the used frames and grates at the City s municipal yard located at 251 Municipal Drive. REVISION DATE November 26, 2007 p

54 Frames and grates removed and intended for reinstallation which are rendered unfit for use by the Contractor through the Contractor's operations shall be replaced by the Contractor at no additional cost to the City Catch Basin Structural Repairs Where catch basins are to receive structural repairs, the Contractor shall make the repairs as specified in the Contract Documents. The various types of repair work to be performed by the Contractor are described in the following general terms: 1. Tuckpoint - Fill gaps and joints between existing blocks or below frame casting by tuckpointing mortar into the gaps. The gaps shall be cleaned of all soil before being filled with mortar. 2. Brick and Mortar - Fill gaps between existing blocks, at pipe connections, at lift holes, below the frame casting, and at broken inner faces of block with solid concrete brick and mortar. The gaps shall be cleaned of all soil before being filled with brick and mortar. 3. Backplaster - Backplaster the existing concrete block and brick on the inside of the catch basin with mortar. Prior to backplastering, the surface to be backplastered shall be thoroughly cleaned. The surface must be free of dust, oil, rust, loose materials, and other contaminants. 4. Remove and replace grade rings - Remove the existing frame and grate. Remove the existing block or brick grade rings and replace with new reinforced concrete grade rings. Replace the existing frame and grate or reinstall the existing frame and grate (as specified in the description of the repair). If there is a difference in the depth of the existing frame and the replacement frame, the difference shall be made up with the reinforced concrete adjusting rings. The new adjusting rings (grade rings) shall be mortared together with mortar between each ring, and the frame shall be mortared to the top adjusting ring Aggregate Slurry Backfill When required by the Contract Documents, the Contractor shall use aggregate slurry material for backfill around the replacement catch basins. The aggregate slurry backfill shall conform to the requirements of Section of the City's Standard Specifications Curb and Gutter At each location where a catch basin structure or frame is to be removed and replaced, curb and gutter will have to be removed and replaced. The curb and gutter removal and replacement work shall REVISION DATE December 15, 2008 p

55 be in accordance with the requirements of Section 508 of the City's Standard Specifications. At locations where catch basins are to be removed and replaced, the minimum length of curb and gutter to be removed and replaced shall be four (4) feet to each side of the catch basin or as otherwise marked by the Engineer. Any curb and gutter removed and replaced outside of the removal and replacement limits without prior approval from the Engineer will be at no cost to the City Pavement Restoration The Contractor shall remove and replace any existing pavement disturbed during catch basin repair or removal and replacement work. Pavement restoration shall be in accordance with the requirements for full depth patching, as specified in Section of the City's Standard Specifications for asphaltic concrete pavements or Section for concrete pavements. The requirements of Section for temporary pavement are applicable to this work. Pavement restoration shall include removing the existing asphaltic concrete pavement and replacing it with pavement of thickness and type equal to the surrounding pavement. The pavement shall be sawcut to form a minimum width of two (2) feet for the pavement patch Ground Restoration All areas behind the back of curb disturbed by the catch basin repair or replacement work shall be backfilled, regraded, topsoiled, seeded, fertilized, mulched, and watered by the Contractor in accordance with the requirements of Section 700 of the City's Standard Specifications Measurement and Payment The measurement and payment of catch basin replacements and repairs shall be by the unit. The quantity measured for payment shall be the number of catch basin units actually removed and replaced or repaired. All costs associated with the following work shall be included in the bid prices for the catch basin work: - temporary pavement at the catch basin - removal and proper disposal of the specified structures, grade rings, frames, grates, and backs - removal and proper disposal of detrimental and native materials - furnishment and placement of structures, grade rings, frames, grates, and backs - removal, replacement, and connection of all existing pipes joined to the catch basin, including couplings - when specified, reinstallation of existing frames, grates, and backs - repair of existing catch basins by tuck pointing, bricking, back plastering, and/or mortaring. REVISION DATE December 17, 2012 p

56 All costs associated with the following work at the catch basin repairs are to be included in separate bid prices for such work and are not to be included in the bid prices for the catch basin work. - removal, disposal, and replacement of adjacent curb and gutter - removal, disposal, and replacement of adjacent pavement - furnishment and placement of slurry aggregate backfill - ground restoration Manhole Repair Work General The work under this section includes repairing existing sanitary, storm, or water manholes. The location and description of the work to be done at each manhole shall be as specified in the Contract Documents. The various type of work (tuckpoint, brick, backplaster, and mortar) are the same as described in Section for structural repairs of catch basins Measurement and Payment The measurement of manhole repairs shall be by the unit and the quantity measured for payment shall be the number of manholes actually repaired. The contract unit price for manhole repairs shall include all costs associated with the specified repairs to be made and all costs of labor, supervision, equipment, materials, supplies, tools, and incidentals necessary to complete the work in accordance with the specifications and Contract Documents. REVISION DATE November 25, 2002 p

57 413.5 Manhole and Catch Basin Adjustments General The work under this section includes making adjustments to the elevation of existing manholes, catch basins, and inlets so that they are one-eighth (1/8) inch to one-quarter (1/4) inch below the finished pavement. All adjustments shall be made by using reinforced concrete adjustment rings (grade rings) or by the use of approved adjusting castings designed for such purpose. When adjusting castings are used at sanitary manholes, the Contractor shall seal the seam between the adjusting casting and the manhole frame with a butyl rubber caulk. If a centering tab exists on the manhole lid of a manhole adjustment using an adjusting casting, the Contractor shall remove the centering tab before making the elevation adjustment. Metal wedges and shims are preferred for the adjustment of catch basin and manhole frames. If wooden wedges or shims are used they shall be removed and the area tuckpointed prior to the acceptance of the work. The location and description of the adjustment work to be done by the Contractor at each unit shall be as specified in the Contract Documents Pavement and Subbase Restoration All pavement required to be removed and replaced for the adjustments shall be a minimum width of two (2) feet measured perpendicular to the perimeter of the unit, and the pavement patching work shall conform to the requirements for asphaltic concrete pavement patching of Section of the City's Standard Specifications or to Section for concrete pavement. The requirements of Section for temporary pavement are applicable to this work.. All subbase required to be removed for adjustments shall be replaced with crushed aggregate materials equivalent to or better than the surrounding roadway subbase materials Chimney Seals on Sanitary Sewer Manholes If sanitary manholes are to be adjusted, they may contain internal chimney seals. Extreme care shall be taken not to hit existing manhole frames and damage existing chimney seals. Any chimney seal damaged during the work shall be replaced by the Contractor at no expense to the City. The Contractor shall remove the existing chimney seal prior to adjusting the manhole. The Contractor shall be responsible for the safe storage and condition of the chimney seals and for re-installing the chimney seals in the manholes immediately after work is completed Measurement and Payment The measurement and payment of manhole, catch basin, and inlet adjustments will be in accordance with the provisions of WSWS for the number of units actually adjusted. The contract unit price for the adjustments shall include all costs associated with removing and reinstalling the frame and cover; removal and reinstallation of chimney seals; removal and proper disposal of REVISION DATE December 17, 2012 p

58 pavement and subbase materials; furnishing and installing adjusting grade rings or castings; removing centering tabs on manhole lids, subbase restoration and compaction; temporary pavement and pavement restoration; and all labor, supervision, materials, tools, equipment, supplies, and incidentals necessary to complete the adjustment work Manhole Removal and Replacement General The work under this section shall include the removal and replacement of all or part of existing sanitary, storm, or water manholes. The location and description of the work to be done at each manhole shall be as specified in the Contract Documents Manhole Structures and Pipes Where manhole structures are to be removed and replaced, the Contractor shall furnish and install precast reinforced concrete manholes as specified on Detail 401 of the City's Standard Specifications. The removed structures shall be properly disposed of off site by the Contractor. The Contractor shall be responsible for determining the depth of the replacement structures and the number, size and location of the replacement pipes which will be needed. Any existing pipe connected to structures that are to be removed and replaced shall also be removed and replaced as necessary. The replacement pipe shall be SDR35 PVC Pipe conforming to ASTM D-3034 for sanitary sewer pipe and either SDR35 PVC Pipe or Class III Reinforced Concrete Pipe for storm sewer pipe. The pipe shall match the inner diameter size of the existing pipe. All connections between the replacement pipe and existing pipe shall be made with "Fernco" couplers (or equal). Concrete collars made of mortar and solid concrete brick may be used only when approved by the Engineer Aggregate Slurry Backfill When required by the Contract Documents, the Contractor shall use aggregate slurry backfill material for backfill around the replaced manholes where pavement exists around the manhole. The aggregate slurry backfill shall conform to the requirements specified in Section of the City's Standard Specifications Granular Backfill Granular backfill may be used when specified by the Engineer at repair locations that are not to be paved, provided the granular backfill meets the requirements of WSWS Frames and Covers The Contract Documents specify whether the Contractor is to remove and reinstall the existing frame and cover or to furnish and install a new frame and grate. Unless otherwise specified in the Contract Documents, the frames and covers shall conform to the requirements of Detail 411 for sanitary manholes and Detail 413 for storm manholes shown in the City's Standard Specifications. REVISION DATE December 17, 2012 p

59 Chimney Seals at Sanitary Sewer Manholes The requirements of Section for chimney seals shall also apply to the manhole replacement work Surface Restoration If pavement exists at the manhole replacement location, the Contractor shall restore and compact the subbase and the pavement of that location to meet the requirements of Section of the City's Standard Specifications for asphalt pavement and Section for concrete pavement. The requirements of Section for temporary pavement are applicable to this work. If no pavement exists at the manhole location, the Contractor shall restore the surface to its original condition in accordance with the requirements of Section 700 of the City's Standard Specifications Measurement and Payment The measurement and payment of manholes removed and replaced shall be by the unit, and the quantity measured for payment shall be the number of manhole units actually removed and replaced. Unless specified otherwise in the Contract Documents, the following rules shall apply to the pricing and payment for the specified work of removing and replacing manholes: 1. All costs associated with curb and gutter removal and replacement at manholes are to be included in the separate contract unit prices for such work and are not to be included in the contract unit prices for the manhole removal and replacement work. 2. All costs associated with ground restoration at the manhole replacement work shall be included in the contract unit prices for the manhole removal and replacement work. 3. All costs associated with furnishing and placing aggregate slurry backfill at manholes are to be included in the separate contract unit price for aggregate slurry backfill and are not to be included in the contract unit prices for the manhole removal and replacement work. 4. All costs associated with temporary pavement at manholes shall be included in the contract unit prices for the manhole removal and replacement work. 5. All costs associated with the permanent pavement restoration are to be included in the separate bid prices for pavement patches and are not to be included in the bid prices for the manhole removal and replacement work. 6. All costs associated with the removal and replacement REVISION DATE March 20, 1995 p

60 of manholes shall be included in the contract unit prices for such work. The costs included in the contract unit prices shall include the removal and proper disposal of specified structures, grade rings, frames, covers, and detrimental and native materials; the furnishing and placement of structures, grade rings, frames, and covers; removing and replacing existing inverted pipe, including couplings; placing concrete channelization of the manhole benches; reinstallation of existing frames; and all costs of labor, supervision, equipment, materials, supplies, tools, and incidentals necessary to complete the manhole removal and replacement work in accordance with the specifications and Contract Documents Adjusting Valve Boxes General The work under this section includes making adjustments to the elevation of existing valve boxes of water main valves so that they are one-eighth (1/8) inch to one-quarter (1/4) inch below the finished pavement. All valve box adjustments shall be made preferably by turning the existing valve box. If the valve box cannot be adjusted by turning without disturbing the existing pavement, the Contractor may use Tyler valve box insert pieces, or approved equal, to make the adjustment Payment The adjustment of any valve boxes, when so designated in the plans or in the contract, and when not covered by a contract bid item, shall be considered as work incidental to the other contract bid items causing the need for the adjustments, and no separate or extra compensation will be allowed for the adjustments Aggregate Slurry Backfill General When required by the Contract Documents, the Contractor shall use aggregate slurry material for backfilling where any excavations are made through existing pavements for replacements of sewer pipe, manholes, and catch basins. The aggregate slurry backfill shall conform to the requirements specified in WSWS Measurement and Payment The measurement and payment for aggregate slurry backfill will be by the cubic yard of material used to backfill. The maximum payment quantity shall be based upon the following limiting trench dimensions. No adjustments will be made for sloping of trench walls. Any additional volume of excavation created due to excavation beyond the limits described below, without prior approval from the Engineer, shall be backfilled with aggregate slurry material by the Contractor at no expense to the City. For volume calculations using the following limiting trench dimensions, the maximum trench depth shall be from the underside of the road base (when crushed stone road base is used) or from the underside of the pavement (when the aggregate slurry backfill is used as the road base) to the top of the bedding material. REVISION DATE December 15, 2008 p

61 a. For sewer pipe repairs: Maximum trench width equal to the outside diameter of the pipe plus three (3) feet and a maximum trench length equal to the length of the pipe plus six (6) feet. b. For catch basin structure removals: Maximum trench width equal to the catch basin s interior width plus four (4) feet and a maximum trench length equal to the catch basin s interior length plus five (5) feet. c. For manhole removals: For a cylindrical manhole a maximum trench width and length equal to the manhole s inside diameter plus eight (8) feet. For a rectangular manhole a maximum trench width equal to the manhole s interior width plus eight (8) feet and a maximum trench length equal to the manhole s interior length plus eight (8) feet. The contract unit price for aggregate slurry backfill shall include all costs associated with furnishing and placing the aggregate slurry backfill where excavations are made at replacements of sewer pipe, manholes, and catch basins. REVISION DATE December 15, 2008 p

62 414 - MEASUREMENT AND PAYMENT General Unless otherwise specified in the Contract Documents, the measurement and basis of payment for sanitary sewers, storm sewers and water distribution systems shall be in accordance with the methods specified within this section. The methods for measurement and payment for repairs to existing sanitary and storm sewers and structures are specified in Section 413 of the City's Standard Specifications. If granular backfill is needed, it will be measured and paid for as specified in WSWS Pipe Sewers Pipe sewers will be measured by the linear foot in place, and the quantity measured for payment shall be the number of linear feet of each of the various sizes, classes, and types completed and accepted in accordance with the contract. The measurement shall be made along the centerline of the pipe, center to center of junctions and fittings. The footage to be paid for shall be measured in accordance with the requirements of WSWS The quantity of pipe sewers, measured as provided above, will be paid for at the contract unit prices per linear foot for the various sizes, classes, and types of pipe specified. This price shall be payment in full for furnishing all materials, including special Y's, mitered sections, elbows and connections required; for all excavation, all pipe, dewatering, sheeting and shoring, forming foundation, laying pipe, sealing joints and making connections to new or existing fixtures; for furnishing backfill material, including bedding and cover material; for backfilling, compacting, removing sheeting and shoring, cleaning out and restoring the site of the work; for performing the required tests; for furnishing manufacturer's certificates; and for furnishing all labor, supervision, tools, equipment, supplies, and incidentals necessary to complete the work in accordance with the contract Manholes, Catch Basins, and Inlets The construction of manholes shall be measured by the vertical foot in place and the quantity measured for payment shall be the number of vertical feet of each of the various sizes and types completed and accepted in accordance with the contract. The measurements for manholes shall be from the lowest invert to the top of the frame (rim). The construction of catch basins, and inlets shall be measured by the number of units constructed. REVISION DATE November 26, 2001 p

63 The work under the bid items of Manholes, Catch Basins, and Inlets, measured as provided above, will be paid for at the respective contract unit price. Said price shall be full compensation for furnishing all materials, including all masonry, conduit and sewer connections, frames, grates, covers, steps, and other fittings; for all excavation, backfilling, proper disposal of surplus material, cleaning out and restoring the site of the work; and for all labor, supervision, tools, equipment, supplies, and incidentals necessary for each structure complete, except that chimney seals on sanitary manholes will be paid for separately Chimney Seals for Sanitary Sewer Manholes If the Contract Documents have a separate bid item for Furnish and Install Chimney Seals, all costs associated with furnishing and installing the chimney seals in accordance with the plans and Contract Documents shall be included in the contract unit price for this item. If the Contract Documents do not have a separate bid item for chimney seals, all costs associated with furnishing and installing the chimney seals shall be included in the unit price for the construction, repair, or replacement work at the sanitary sewer manhole Sanitary Sewer Laterals The construction of sanitary sewer laterals will be measured by the linear foot in place, and the quantity measured for payment shall be the number of linear feet of each of the various sizes completed and accepted in accordance with the contract. The measurement shall be made along the centerline of the pipe, center to center of junctions and fittings. The quantity of sanitary sewer laterals, measured as provided above, will be paid for at the contract unit prices per linear foot for the various sizes of pipe specified. This price shall be payment in full for furnishing all materials, including special Y's, mitered sections, elbows and connections required; for all excavation, all pipe, dewatering, sheeting and shoring, forming foundation, laying pipe, sealing joints and making connections to new or existing fixtures; for furnishing backfill material, including bedding and cover material; for backfilling, compacting, removing sheeting and shoring, for cleaning up and restoring the site of the work; for performing the required tests; for furnishing manufacturer's certificates; and for furnishing all labor, supervision, tools, equipment, supplies, and incidentals necessary to complete the work in accordance with the contract. REVISION DATE November 26, 2001 p

64 414.6 Water Mains and Hydrant Leads Water mains and hydrant leads shall be measured by the linear foot in place, and the quantity measured for payment shall be the number of linear feet of each of the various sizes, classes, and types completed and accepted in accordance with the contract. The measurement shall be made along the centerline of the pipe, center to center of junctions and fittings. The footage of water mains to be paid for shall include the footage through valves and fittings. The footage of hydrant leads to be paid for shall be measured from the centerline of the water main to the center of the flange on the water main side of the hydrant auxiliary valve. The quantity of water mains and hydrant leads, measured as provided above, will be paid for at the contract unit prices per linear foot for the various sizes, classes, and types of pipe specified. This price shall be payment in full for furnishing all materials, including all pipe, fittings, polyethylene wrap, protective coating, insulation, thrust restraints, and connections required; for all excavation, dewatering, sheeting, and shoring, forming foundation, laying and wrapping the pipe, and making connections to new or existing facilities; for providing electrical continuity; for installing thermal insulation; for applying protective coating; for furnishing backfill material, including bedding and cover material; for construction of thrust restraints; for furnishing and installing air relief assemblies; for backfilling, compacting, and removal of sheeting and shoring; for furnishing material certificates; for testing the water main as specified; for cleaning up and restoring the Project Site; and for furnishing all labor, supervision, equipment, tools, supplies, and incidentals necessary to complete the work in accordance with the contract Water Main Valves Water main valves shall be measured and paid for on a unit basis for the various sizes and types of valves installed and accepted in accordance with the contract. The contract unit prices for the various sizes and types of water main valves shall include all costs associated with furnishing and installing the valves, valve adaptors, and valve boxes with bases; furnishing manufacturer's certificates; furnishing and installing polyethylene wrap around the valves; and for all labor, supervision, equipment, tools, supplies, and incidentals necessary to complete the valve installation in accordance with the requirements of the contract Hydrant Assemblies Hydrant assemblies shall be measured and paid for on a unit basis for those assemblies installed and accepted in accordance with the contract. The hydrant assembly referred to includes the nozzle section, standpipe (barrel) section, and bottom section (shoe or base bend) of the hydrant; the polyethylene wrap; and the auxiliary valve with valve adaptor, valve box, and base; REVISION DATE November 26, 2001 p

65 and accepted in accordance with the contract. The hydrant assembly referred to includes the nozzle section, standpipe (barrel) section, and bottom section (shoe or base bend) of the hydrant; the polyethylene wrap; and the auxiliary valve with valve box and base. The contract unit price for hydrant assemblies shall include all costs associated with furnishing and installing the complete hydrant assembly and polyethylene wrap; for testing; and for all labor, supervision, equipment, tools, supplies, and incidentals necessary to complete the installation of the hydrant assembly in accordance with the requirements of the contract Water Service Laterals Water service laterals shall be measured horizontally along the centerline from the centerline of the main to the end of the lateral and shall be paid for on a linear foot basis or paid for on a unit basis for the various sizes of laterals installed and accepted in accordance with the contract. The contract unit price for water service laterals shall include all costs associated with furnishing and installing the corporation stops (service-to-main tie-in valve), service piping, curb stops (water service shut off valves), and curb boxes (for curb stop water service shut off valves); for furnishing manufacturer's certificates; for all excavating, dewatering, sheeting and shoring, forming foundation, laying pipe, sealing joints, and making connections to new or existing fixtures; for furnishing backfill material, including bedding and cover; for backfilling, compacting, removing sheeting and shoring; for cleaning up and restoring the site of the work; for testing; and for all labor, supervision, equipment, tools, supplies, and incidentals to complete the installation of the water service laterals in accordance with the requirements of the contract Underdrain and Sump Drain Connection Lines Measurement and payment shall be per the linear foot in place for underdrains, sump drain connection lines, and combination underdrain and sump drain connection lines. The measurement shall be made along the center of the pipe. The contract unit price for such underdrains, sump drain connection lines, and combination underdrain and sump drain connection lines shall include all costs associated with furnishing and installing all pipe, fittings, cleanouts, tracer wire, geotextile fabric, and backfill material; connecting the pipe to the storm sewer structure; (if applicable) constructing the outfall, complete with precast concrete endwall and removable rodent barrier; backfilling; and (if not specified to be included in a separate bid item) ground restoration of any lawns or grass areas disturbed by the pipe installation work. REVISION DATE December 1, 2003 p

66 415 - UNDERDRAINS AND SUMP DRAIN CONNECTION LINES General When underdrains, sump drain connection lines, or combination underdrain and sump drain connection lines (hereinafter collectively called collection pipes ) are specified in the Contract Documents, the Contractor shall construct them in accordance with the project plans; details 451, 452, and 453, respectively; this section; and WDOT Section 612. The collection pipes shall have a minimum 0.5% slope toward the point of discharge. All collection pipes shall commence at cleanout risers and terminate at storm sewer structures or storm water management facilities. The Contractor shall be solely responsible for setting termination points, line, and grade of the collection pipes shown on the plans. The collection pipes shall be installed prior to construction of the curb and gutter (except when the curb and gutter is existing and is not being replaced). The Contractor shall install fabric around the stone and pipe as indicated in details 451 and 453 for underdrains and for combination underdrain and sump drain collection lines, respectively. The Contractor shall furnish and install removable rodent barriers at all open ends of the collection pipes Trenches The trench for the collection pipes shall not exceed eighteen inches (18") in width, and the centerline of the pipe shall not be located less than six inches (6") or more than twenty-one inches (21") behind the back of curb, unless otherwise shown on the plans. The top of the underdrain package (clear stone and fabric wrap of details 451 and 453) shall be a minimum of 19.5 inches below the top of curb. The depth of the trench for the collection pipes shall not exceed 30 inches from the top of the curb Pipe Pipe shall be as per the following table. Type of Use Pipe Type A Underdrain 6 perforated PVC or corrugated HDPE with fabric sock Type B Underdrain 6 perforated PVC with fabric sock Type C Underdrain 6 perforated PVC or corrugated HDPE with fabric sock Type D Underdrain 6 perforated PVC or corrugated HDPE with fabric sock Sump Drain Connection Line 6 non-perforated PVC with NO fabric sock Combination Underdrain & 6 perforated PVC with fabric sock Sump Drain Connection Line REVISION DATE December 17, 2012 p (A)

67 Perforations for PVC pipe shall be four (4) rows of 1/4 to 3/8 diameter holes, at 3 longitudinal spacing, with approximately 45 and 80 degree orientation on both sides of the vertical centerline of the pipe, and shall be located at the top one-half (1/2) of the pipe. Perforations for HDPE pipe shall be one-eight inch (1/8") and shall be spaced around the entire perimeter of the pipe. A fabric sock shall be installed around the pipe used for underdrains or for combination underdrain and sump drain connection lines. Pipe used for sump drain connection lines shall be installed without a fabric sock Connection to Structure The collection pipes shall be connected into the back or the side of the existing catch basins or inlets, by utilizing a 45-degree wye or a series of 45-degree PVC fittings. Coring and rebuilding of existing catch basins or inlets may be required. All connections to existing catch basins or inlets shall be done in accordance with Section of the Standard Specifications for Sewer and Water Construction in Wisconsin. The Contractor shall mortar the joint where the pipe connects to the catch basin or inlet and shall trim the end of the pipe to a one (1") inch maximum overhang of the pipe at the interior wall face of the structure Cleanouts The Contractor shall install cleanout risers at the upstream ends of the collection pipes and at three hundred foot (300') maximum intervals along the collection pipes using 45-degree PVC fittings, unless otherwise shown on the plans. This is to provide means to clean, flush and locate the collection pipes. Cleanout risers shall be installed so that the top of the cleanout riser is two (2 ) inches above the finished topsoil grade. The Contractor shall provide a screw-in plug at the cleanout Tracer Wire Tracer wire shall be installed along the collection pipes. The wire shall be taped to the top half of the pipe at ten foot (10') intervals and not allowed to "float freely" within the backfill. Tracer wire shall be a minimum 10-gauge, copper single-conductor wire with type UF (Underground Feed) insulation and shall be continuous along the pipe and laterals. The wire shall be attached by means of a screw at the top of the cleanout riser, to insure that locators can be hooked onto it Staking On projects where the City provides staking, City survey crews will place stakes behind the back of curb for line (location) reference only. Staking will be done at 50 foot intervals, except within horizontal curves where 25 foot intervals will be used. A radius point will be placed at intersections Discharges at Ditches or Ponds If the pipe discharges into a ditch or pond, the Contractor shall furnish and install a precast concrete headwall with removable rodent barrier. The headwall shall be approximately three (3 ) feet long with the top sloped to conform to the finished grade of the side of the ditch. REVISION DATE December 17, 2012 p (B)

68 416 AMENDMENTS TO WSWS PART VI TRENCHLESS INSTALLATION OF UTILITIES WSWS Casing Pipe WSWS 6.2.3(a)1 Types Add the following text: "Steel casing pipe shall be used for the casing of water main and sanitary sewer main pipe. The Contractor shall determine the required diameter, wall thickness, and yield strength of the casing pipe based upon the anticipated stresses that will occur during and after installation of the casing and inserted pipes. The diameter of the casing pipe shall be suitable to accommodate the size of the pipe and casing spacers (chocks) to be inserted within the casing pipe. The casing pipe shall also conform to any other requirements applicable to the project (for example, specific permits or rules applicable to the project or additional requirements from outside agencies such as railroad companies, WisDNR, WisDOT, etc.)." WSWS 6.2.3(b) Inserted Pipe Delete this section and replace with the following text: "Unless specified otherwise in the Contract Documents, all pipes (other than concrete pipe) inserted into casings shall have restrained push-on type joints and shall extend at least two (2) feet beyond both ends of the casing pipe. Wedge action joint mechanisms such as "Megalug" will not be allowed within the casing pipe. When ductile iron pipe is used as the inserted pipe, the ductile iron pipe shall be installed with polyethylene wrap. If high-density polyethylene pipe (HDPE), polyvinylchloride (PVS), or other type of plastic pipe is specified in the Contract Documents as the inserted pipe, the inserted pipe shall be installed with twelve (12) gauge tracer wire as specified in WSWS " Add the following sections: CITY 6.2.3(c) Casing Spacers (chocks) The Contractor shall furnish and install casing spacers (chocks) where the inserted pipe is installed within the casing pipe. The casing spacers (chocks) shall have a non-metallic liner to isolate the inserted pipe from the spacer and shall provide a minimum of 0.75 inches of clearance between the greatest outside diameter of the inserted pipe and the inside of the casing pipe. The casing spacers (chocks) shall be attached and spaced in accordance with the manufacturer s recommendations. CITY 6.2.3(d) General At least one week prior to beginning work on the casing installation, the Contractor shall submit all manufacturers specifications, including recommended chock spacing and details and end seals, to the Engineer, in writing, for review and approval. REVISION DATE November 27, 2006 p (C)

69 CITY 6.2.3(e) Installation The casing pipe shall be installed at the slope and elevations shown on the plans. The pipe shall be supported and braced to prevent shifting or flotation. Unless otherwise required, all pipe installed in casing pipe shall have a flexible joint located not less than two (2) feet outside the ends of the casing pipe. The casing pipe shall not be filled once the inserted pipe has been installed. After the inserted pipe has been installed within the casing pipe, the Contractor shall install casing end seals to provide a barrier to backfill debris and seepage. WSWS Materials Add the following text: "All HDPE pipe for horizontal directionally drilled pipe shall be installed with twelve (12) gauge tracer wire as specified in WSWS " REVISION DATE November 27, 2006 p (D)

70 440 VIDEO INSPECTION OF SANITARY SEWERS AND STORM SEWERS Scope Of Work The work under this section shall consist of video inspection of sanitary sewers and storm sewers and preparing a report of the video inspection General The Contractor shall furnish all labor, equipment, materials, and supplies required to do the work Video Equipment Video equipment shall include video camera, television monitor, cables, power source, lights, and other equipment. The video camera shall be specifically designed and constructed for sewer inspections. The camera, television monitor, and other components of the video system shall be capable of producing a minimum 350 line resolution color video picture. The camera shall be mounted on skids suitably sized for each pipe diameter to be investigated, or on a self-propelled transporter specifically sized for each pipe diameter Operating Environment The camera shall be operative in 100 percent humidity. Lighting for the camera shall minimize reflective glare. Lighting and camera quality shall be suitable to provide a clear, in-focus picture of the entire inside perimeter of the sewer pipe for a minimum length of seven (7) feet, for all conditions encountered during the work. Focal distance shall be adjustable through a range of from six (6) inches to infinity Footage Counter The remote reading footage counter shall be accurate to one percent (1%) over the length of the particular section being inspected and shall be synchronized with the television monitor Push Type Camera At the Contractor's option, a push-type camera may be used for video inspection of storm sewer laterals from manholes to the catch basins/inlets, as well as short dead end pipe (stub) sections Video Recorder A DVD video recording shall be made during the televising operation. A high grade DVD format compact disk shall be used Video Speed The DVD shall be recorded at the standard play (SP) setting. REVISION DATE December 15, 2008 p

71 440.3 Video Inspection The camera shall be moved through the line in either direction at a uniform rate which allows for maximum clarity of the image, stopping when necessary to ensure proper documentation of the sewer's condition, but in no case shall the video camera be pulled at a speed greater than thirty (30) feet per minute. Manual winches, power winches, video cable, powered crawlers, or powered rewinds or other devices that do not obstruct the camera view or interfere with proper documentation of the sewer conditions shall be used to move the camera through the sewer. If, during the inspection operation, the video camera will not pass through the entire pipe section, the Contractor shall reset his equipment in a manner so that the inspection can be performed from the manhole on the opposite end of the line Cleaning of the Line The line to be video inspected shall be cleaned and a dye shall be flushed down the line to help identify any dips or offsets in the line. The dye shall be of a color that will contrast with the color of the inside of the pipe when the video recording is viewed Excess Flow In the event the section being inspected has substantial flow entering the sewer between manholes, such that inspection of the sewer is impaired, then the Contractor shall reroute or pump the flow past the line being inspected Communication During Video Inspection Operations Whenever non-remote powered and controlled winches are used to pull the video camera through the line, radios, telephones, or other suitable means of communication shall be set up between the two manholes of the section being inspected to ensure that adequate communications exist between members of the crew Calibration and Display of Footage Measurements Accuracy of the footage counter shall be checked daily by use of a walking meter, roll-a-tape, or other suitable device. Footage measurements shall begin at the sewer line point of penetration of the upstream manhole, unless specific permission is given to do otherwise. Footage shall be shown on the video monitor at all times Documentation Of Results Of Video Inspection Of Sewers Computerized Report Video inspections shall be documented through the use of a computer system. This system must be PC compatible with a DVD drive. The report shall be written in Word 6.0 (or later version) format or in PDF format (created using Adobe Acrobat software). All defects and general information on the pipe being viewed along with an index for retrieving the information must be supplied to the City as part of the report. REVISION DATE December 15, 2008 p

72 Format of Data for Computerized Report The computerized report shall include, but is not limited to, the following information: 1. Location of each point of leakage. 2. Location of each service connection measured in feet from the designated manhole and by point on the pipe axis. 3. Location of any damaged sections, nature of damage, and location with respect to pipe axis. 4. Deflection in alignment or grade of pipe. 5. Record of repairs and quantity of sealing material used (if applicable). 6. Day, date, time, city, street and limits, basin, manhole section, reference manhole number, name of operator, and weather conditions. 7. Pipe diameter, pipe material, section length, and corresponding identification of the video. 8. Type of improvement - sanitary or storm sewer. 9. Subdivision name or City construction contract number and street name Inspection Logs Video inspection logs shall be typed, or computer printed, and shall be in a form acceptable to the City. Printed location reports shall clearly show the location, in relation to adjacent manholes, of each source of infiltration discovered. In addition, other data of significance include the location of building and house service connections, joints, unusual conditions, roots, storm sewer connections, collapsed sections, presence of scale and corrosion, and other discernible features shall be recorded. A sketch of the line being inspected and the direction of the video inspection shall be on the back of the log sheet. The measurement of distance to laterals and defects is critical in confirming the location of areas to be repaired by excavating. The computerized report may be substituted for the standard inspection logs only if the computerized report contains the same information in a format approved by the City prior to the start of the work Video Inspection Report Color video recordings of the data on the monitor shall be made by the Contractor. Copies of each video shall be provided to the City. Video recording playback shall be the same speed that it was recorded. Slow motion or stop motion playback features may be supplied at the option of the Contractor. The Contractor shall have all videos and necessary playback equipment readily accessible for review by the City during the project. Video speed shall be noted on the recorded video. Standard play (SP) mode shall be used. REVISION DATE December 15, 2008 p

73 Format of Data on Video DVD Video DVDs shall include the following information: Data view: 1. Report number. 2. Date of TV inspection. 3. Upstream and downstream manhole numbers. 4. Current distance along reach (tape counter footage). 5. Printed labels on DVD disk container and on the DVD disk cartridge with location information, date, format information, and other descriptive information Inspection Of Work By City The City representatives shall be given full access to the site, including vehicles used to monitor the video inspection, during the course of the work to view the video inspection operations Possession And Rights Of Video And Reports Upon completion of the video inspection of the utilities, the video DVDs and all reports including the video log forms, CD computerized report, and other records required in this section as part of the video inspection report shall become the property of the City of West Bend, who shall have the sole control of all rights associated with the documents. - END OF SECTION REVISION DATE December 15, 2008 p

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