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HomeMy WebLinkAboutWatermain Specification, Washington County Campus, 2013 4 11 11 130336 I11111 1111 MINNESOTA DEPARTMENT OF HEALTH Division of Environmental Health This is to certify that this is a copy of the plan referred to in approval letter on wate improvements, dated vo Watermain Specifications 2013 Washington County Campus City Utility Improvements City of Oak Park Heights, Minnesota March 2013 Project No. 193801736 Stantec , SECTION 00 01 05 PROFESSIONAL CERTIFICATIONS PROFESSIONAL ENGINEER I hereby certify that this plan, specification,or report was prepared by me or under my direct supervision and that I am a duly Licensed Professional Engineer under the laws of the State of Minnesota. elt414,3414.1r (1°. Christopher W. Long Date: March 12, 2013 License # 47106 END OF SECTION MINNESOTA DEPARTMENT OF HEALTH Division of Environmental Health of the This is to certify that thi fov I letter on water plan referred to in app iinprovemen'rs, dated PROFESSIONAL CERTIFICATIONS 000105-1 ©2013 Stantec 1 193801736 SECTION 01 31 00 PROJECT MANAGEMENT AND COORDINATION PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. General requirements for overall sanitary sewer and water main work coordination. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. All Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 UTILITIES A. Notify Gopher State One Call before starting construction in a given area requesting utility locates in the Site. B. Project Utility Sources: Coordinate Work with the following utility owners. The following utilities are known to be on the Site and are shown on the Drawings in a general way: 1. Water: Owner. 2. Sanitary Sewer: Owner. 3. Storm Sewer: Owner. 4. Electric: Xcel Energy. 5. Gas: Xcel Energy. 6. Communications: Century Link. C. Owner requires a 48-hour notice for all utility interruptions. 1.04 PERMITS A. Comply with the stipulations of the following permits, which have been applied for and will be furnished by the Owner: 1. Minnesota Department of Health (MDH) Permit. B. Apply for, obtain, and comply with the provisions of the following permits, which the Owner will waive the permit application fee: 1. City Building Permit. C. Apply for, obtain, and comply with the provisions of the following permits: 1. Washington County. D. Apply for, obtain, and comply with other permits, licenses, and approvals which may be required for the Project. PROJECT MANAGEMENT AND COORDINATION ©2013 Stantec 1 193801736 01 31 00-1 r` 1.05 SURVEYING AND CONSTRUCTION OBSERVATION A. Provide Engineer a minimum of 48-hour notice in advance of the need for establishing lines, grades, measurements, grade checks,and observation of Work. 1.06 PROJECT MEETINGS A. Progress Meeting Procedures 1. Engineer will schedule construction progress meetings throughout the duration of the Project to assess the progress of the Work, identify and discuss Project related issues,and discuss near-term construction activities. 1.07 WORKING HOURS A. Working hours shall be from 7 A.M. to 7 P.M. from Monday thru Friday, and Work shall not be completed on Saturday or Sunday unless approved by the City.The exception will be for water connections during service interruption,which may be completed during night-time hours. PART 2 PRODUCTS Not Used. PART 3 EXECUTION Not Used. END OF SECTION PROJECT MANAGEMENT AND COORDINATION ©2013 Stantec 1 193801736 01 31 00-2 SECTION 02 41 13 SELECTIVE SITE DEMOLITION PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. Complete or partial removal and disposal or salvage of below grade structures and miscellaneous items. B. Related Sections 1. Section 33 05 05—Trenching and Backfilling. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. Bid Items have been provided for removal items. Payment at the Bid Unit Price will be considered compensation in full for all Work necessary to complete the Bid Item in full, including removal, salvage, storage, disposal, and reinstallation. 2. Measurement will be based upon the units as listed below for items removed, abandoned, or salvaged complete as specified. No measurement will be made of any removals that are not required. The actual quantity removed multiplied by the appropriate Bid Unit Price will be compensation in full for all Work and costs of the following Bid Items: a. Remove Hydrant: Per each. b. Remove Gate Valve and Box: Per Each. Payment shall be made on each gate valve and box removed, including all interim adjustments to the valve box, cutting, trenching, backfilling,and all other Work to remove the valve as specified. c. Remove Water Main: Per lineal foot without regard to diameter of pipe, measured from center of junction fittings. d. Remove Sanitary Sewer Main: Per lineal foot. e. Abandon Water Main: Per lineal foot. Measurement shall include the length of water main abandoned, measured from center of junction fittings. Payment shall include cutting, bulk- heading, stand pipes, sand, and other incidentals to fill the water main with sand. No separate payment will be made for abandoning valves or adjusting, removing, or filling the valve boxes with sand. No payment will be made for water main abandoned without filling with sand. f. Remove Pressure Reducing Valve and Appurtenances: Lump Sum. Payment will include removal of casting, rings, top slab, pressure reducing valves, piping, fittings, and appurtenances required for the installation of the new pressure reducing station. g. Bulkheading of existing pipe will be incidental. h. Salvage and reinstall signs and mailboxes will be incidental. 3. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 REFERENCES A. Minnesota Department of Transportation"Standard Specifications for Construction,"2005 Edition (MnDOT Spec.) 1. 2104—Removing Pavement and Miscellaneous Structures. ©2013 Stantec l 193801736 SELECTIVE SITE DEMOLITION 024113-1 / ' t 1.04 DEFINITIONS A. Remove:To take away or eliminate from the Site by any method selected by the Contractor, including disposal of material. B. Salvage: To dismantle, disassemble, or remove carefully without damage so the item can be re- assembled, replaced,or reused in a workable condition equal to that existing before removal. C. Abandon: To fill, bulkhead, or close off pipes and structures so that no settlement or flow can occur. 1.05 REGULATORY REQUIREMENTS A. Conform to MnDOT Spec. 2104.3C, with the following modifications: 1. Dispose of all materials designated for removal outside the Site at locations selected by Contractor. 2. Stockpile or temporarily store materials designated for salvage at locations provided by Contractor. 1.06 SCHEDULING A. Prior to starting Work, submit for review by the Engineer and approval by the Owner, a schedule showing the commencement, order, and completion dates of the various parts of this Work. B. Fill holes or depressions resulting from removal or salvage immediately. C. Provide temporary surface restoration for traffic continuity where removal or salvage operations are completed within streets, driveways,or parking lots. PART 2 PRODUCTS Not Used. PART 3 EXECUTION 3.01 GENERAL A. Dispose of all items removed,except for those items identified to be salvaged or recycled. Said disposal shall be in accordance with all laws, regulations, statutes,etc. B. Perform removal Work without damage to adjacent retained Work. Where such Work is damaged, the Contractor shall patch, repair, or otherwise restore same to its original condition at no expense to the Owner. C. Remove debris from the Work area as often as necessary, but not less than at least once at the end of each workday. Debris shall be placed in approved containers to prevent the spread of dust and dirt. D. Execute the Work in a careful and orderly manner with the least possible disturbance to the public and occupants of buildings. E. Fill holes resulting from removals consistent with Section 3105 05. SELECTIVE SITE DEMOLITION ©2013 Stantec 1 193801736 02 41 13-2 3.02 EXAMINATION A. Meet with owners of signs to determine requirements for salvage, storage, and replacement. B. Develop plan acceptable to Engineer and postal service for maintaining mail service. Temporary relocations of mailboxes will be necessary. 3.03 PROTECTION A. Take all necessary precautions to adequately protect personnel and public and private property in the areas of Work. All Site fencing shall be in place prior to the start of any removal Work. B. All street signs, traffic control signs, guy wires, mailboxes, posts, wood fence, etc. which may interfere with construction shall be removed, stored safely, and replaced. C. Approved barriers or warning signs shall be provided as necessary. D. Provide and maintain temporary protection of existing structures designated to remain where removal Work is being done, connections made, materials handled, or equipment moved. E. Do not close or obstruct walkways or roadways. Do not store or place materials in passageways or other means of egress. Conduct operations with minimum traffic interference. F. Take reasonable precautions to limit damage to existing turf. G. Holes or depressions created by removals shall not be left open for more than 1 day. Any hole within 10 feet of sidewalks shall be filled, suitably marked, or covered immediately. H. Avoid disturbance to any material beyond the limits required for new construction. 3.04 REMOVE SECTIONS OF EXISTING PIPE A. Pipe to be abandoned shall be filled with suitable material as directed by the Engineer. B. Pipe to be abandoned shall be removed if the top of pipe is within 3 feet of final surface elevation. 3.05 SALVAGE AND REINSTALL A. Signs 1. In no case shall a traffic sign or street sign be removed or disturbed by Contractor without prior notification being given to Engineer and then only after satisfactory arrangements have been made for a temporary installation or its disposition. a. Street identification signage shall be maintained at all times due to its importance to the 911 Emergency Response System. B. Mailboxes 1. Remove and salvage existing mailboxes that interfere with the Work or whose access is restricted by the construction activities. 2. Place at temporary locations as directed by Engineer or as shown on Drawings. 3. Removal, temporary re-installation, and replacement shall occur such that mail delivery is not interrupted. 4. Reinstall in locations as shown on Drawings or as directed by Engineer. 5. Mailboxes, posts, and appurtenances damaged during construction shall be replaced with new at no charge to Owner. SELECTIVE SITE DEMOLITION ©2013 Stantec 1 193801736 02 41 13-3 3.06 FIELD QUALITY CONTROL A. Items damaged during removal or salvaging operations shall be replaced with new material of equal type and quality of the damaged item when it was new. 3.07 DISPOSING OF MATERIAL A. Dispose of all materials outside of the Site at disposal location selected by Contractor in compliance with state and local regulations. Burying of material and debris is not allowed within the Site. END OF SECTION SELECTIVE SITE DEMOLITION ©2013 Stantec 1 193801736 02 41 13-4 SECTION 33 05 05 TRENCHING AND BACKFILLING PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. Trenching requirements for underground piping and appurtenances, including requirements for excavation, backfill, and compaction. B. Related Sections 1. Section 02 41 13—Selective Site Demolition. 2. Section 33 10 00 -Water Utilities. 3. Section 33 3100 -Sanitary Utility Sewer Piping. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. Trench Excavation: Excavation and backfilling of trench shall be included in the price of pipe provided. 2. Pipe Bedding: Considered incidental and shall be included in the price of pipe furnished and installed. 3. Improved Pipe Foundation: At the Bid Unit Price per lineal foot for each 6-inch layer placed below pipe bedding, not including the first 6 inches. a. For example, say 2 feet of foundation material is required under a pipe installed with C-2 bedding. Because 6 inches of material is required for Class C-2 pipe bedding (and therefore incidental), payment will be made for 3 lineal feet of pipe foundation material, 6 inches deep per foot of pipe installed. b. No payment will be made without the knowledge or consent of the Engineer. c. No payment will be made for subgrade rock installed for de-watering purposes only, unless specified. d. No payment will be made for disposing of excavated material off Site that has been created by placement of improved pipe foundation. 4. Temporary Bracing and Sheeting: Considered part of the excavation costs with no additional compensation to Contractor, unless provided for otherwise. 5. Density Tests a. Passing Tests: All costs paid by Owner. b. Failing Tests: All costs charged to and paid by the Contractor. 6. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 REFERENCES A. Minnesota Department of Transportation"Standard Specifications for Construction,"2005 Edition (MnDOT Spec.) 1. 2105 - Excavation and Embankment. 2. 2451 - Structure Excavations and Backfills. 3. 3149-Granular Material. TRENCHING AND BACKFILLING ©2013 Stantec 1 193801736 33 05 05-1 • B. American Society of Testing Materials(ASTM) 1. C1479- Standard Practice for Installation of Precast Concrete Sewer, Storm Drain, and Culvert Pipe Using Standard Installations. 2. D2321 - Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications. 3. D698 -Test Method for Laboratory Compaction Characteristics for Soil Using Standard Effort (12,400 foot-lbf/foot). 1.04 SUBMITTALS A. Provide the following submittals: 1. Product Data for each Borrow Material: a. Name and location of source. b. Results of gradation tests. 1.05 DEFINITIONS A. Bedding: The soil material adjacent to the pipe which makes contact with the pipe foundation, walls of the trench, and upper level of backfill. The purpose of bedding is to secure the pipe to true line and grade, and to provide structural support to the pipe barrel. B. Foundation: Soil material beneath the pipe bedding. C. Improved Pipe Foundation: Foundation provided by importing material from sources outside the Site. Required when foundation is soft or unstable. D. Filter Aggregate: Free draining mineral product used around drain tile pipe. E. Rock Excavation: Includes such rocks that are not decomposed, weathered, or shattered,and which will require blasting, barring,wedging, or use of air tools for removal. Also included are any boulders, concrete, or masonry structure (except concrete pavement, curb and gutter, and sidewalk) exceeding 1 cubic yard. F. Pipe Zone: That part of the trench below a distance of one foot above the top of the pipe. G. Sand Cushion: Aggregate bedding material used around pipe in areas where rock excavation is encountered,where pipe insulation is used, and when crossing existing utilities. 1.06 SEQUENCING AND SCHEDULING A. Known existing underground utilities are shown on the Drawings in a general way. Owner does not guarantee the locations as shown on the Drawings. Contractor shall anticipate variations in both the vertical and horizontal locations of underground utility lines from those shown on the Drawings. B. Uncover utilities and verify both horizontal and vertical alignments sufficiently in advance of construction to permit adjustments in the Work. Determine location of existing utilities and identify conflicts before excavating trench for pipe installation. C. Notify Gopher State One Call before starting construction in a given area, requesting utility locations in the field. D. Provide continuance of flow of existing sewer and other facilities. TRENCHING AND BACKFILLING ©2013 Stantec 1 193801736 33 05 05-2 E. Backfill and compact all trench excavations promptly after the pipe is laid. 1.07 WARRANTY A. Trench settlements that occur during the correction period and are greater than 1/2 inch as measured from the beginning to the end of the settlement, as determined by the Engineer, will be repaired in a manner acceptable to the Owner at the Contractor's expense. PART 2 PRODUCTS 2.01 PIPE BEDDING MATERIAL A. Polyvinyl Chloride (PVC) Pipe and High Density Polyethylene (HDPE) Pipe 1. Comply with MnDOT Spec. 3149.2B1 for granular borrow. a. No on the Site granular material encountered during construction may be used without the permission of the Engineer. b. 1 inch maximum aggregate size. B. Ductile Iron Pipe(DIP) 1. Class C-1 Bedding a. Undisturbed soil. 2.02 IMPROVED PIPE FOUNDATION MATERIAL A. Comply with MnDOT Spec. 3149.2H Modified 1. Crushing Requirements: At least 50 percent of the material by weight retained on the No. 4 sieve shall have one or more crushed faces. 2.03 SAND CUSHION MATERIAL A. Comply with MnDOT Spec. 3149.2B1 for Granular Borrow 1. No on Site granular material encountered during construction may be used without the permission of the Engineer. 2. One inch maximum aggregate size. 2.04 BACKFILL MATERIAL A. Suitable materials selected from the excavated materials to the extent available and practical. B. Suitable materials are mineral soils free of rubbish, trees, stumps, branches, debris,frozen soil, oversize stone, concrete and bituminous chunks, and other similar unsuitable material. PART 3 EXECUTION 3.01 EXAMINATION A. Prior to construction, inspect existing utility structures and surface features, and document condition. B. Re-inspect foundation soils if rain fall or snow has occurred after initial inspection but prior to placing pipe and bedding. 3.02 PREPARATION ©2013 Stantec 1 193801736 TRENCHING AND BACKFILLING 330505-3 • A. Notify Utility Owners to field mark their utility locations. B. Protect as necessary surface features, such as utility poles,trees, structures, pavement,etc.,that are not designated on the Drawings to be removed. C. Notify utility companies of progress schedule so they can accomplish any necessary relocations and removals that they have agreed to relocate, remove,or support. D. Implement traffic control. E. Complete temporary removal or relocation of surface features, such as fences, shrubs, signs, and mailboxes. F. Strip off existing topsoil from within the trench excavation limits and stockpile. Separate vegetative strippings from salvageable topsoil and dispose of appropriately. G. Crossing Under Existing Utility Lines. 1. Use extreme care when excavating in the vicinity of underground utility lines to avoid damage to protective coatings or surfaces. 2. Where possible and as authorized by the utility,temporarily remove the utility line, install the new pipe, and reinstall the utility line. 3. Where existing line cannot be removed or is not feasible to remove, securely support,excavate under, backfill under and around the utility line to 100 Percent Standard Proctor Density. 4. Report and repair damaged lines prior to backfilling trench. 3.03 CONSTRUCTION A. Conform to ASTM C2321, or modified herein. B. Trench Excavation 1. Excavate trench to alignment and grade shown on the Drawings. 2. The trench width at the surface may vary and depends on the depth of trench and nature of the excavated material encountered. However, it shall be of ample width to permit the pipe to be laid and jointed properly and the backfill to be placed and compacted properly. 3. Correct any part of the trench that is inadvertently excavated below grade with approved material compacted to 100-Percent Standard Proctor Density. l State Regulations 4. Brace, shore, or sheet trench and provide drainage. Comply with applicable 9 relating to industrial safety to a safe angle of repose. Angle of repose may be no less than that required by the Accident Prevention Division of the State Industrial Commission or the requirements of the Occupational Safety and Health Act(OSHA),whichever is most restrictive. 5. Pile all excavated material in a manner that will not endanger the Work or obstruct sidewalks, driveways,gutters, etc. 6. Segregate soils in the excavated material that are not suitable for trench backfill and dispose of in a manner that is consistent with the requirements specified herein under"Backfill Above Pipe Zone." 7. Dispose of excess excavated materials off of right-of-ways and easements in a suitable site selected by the Contractor. 8. Haul materials,other than natural soil materials that are suitable as backfill material,to an approved landfill as directed by the Engineer. C. Water Control 1. Dewater the ground as necessary to excavate the trench and install the pipe. All pipe and structures shall be laid in a dry condition prior to backfill. Maintain groundwater level a TRENCHING AND BACKFILLING 33 05 05-4 ©2013 Stantec 1 193801736 minimum of 1 foot below the pipe invert. Measure the rate of flow from dewatering pumps at the beginning of the dewatering operation(s)and once per week thereafter. Keep a daily log of hours pumped. D. Trench Bottom 1. Excavate to a sufficient depth to insure adequate foundation when the bottom of the trench is soft or where in the opinion of the Engineer unsatisfactory foundation conditions exist. Bring excavation up to pipe grade with thoroughly compacted granular materials meeting the requirements of Improved Pipe Foundation Material. 2. Provide temporary support, remove, relocate, or reconstruct existing utilities located within the trench excavation. Utility shall designate method employed. Use particular care and provide compacted fill or other stable support for utility crossings to prevent detrimental displacement, rupture, or failure. 3. Excavate to expose existing utilities that cross in close proximity to the planned pipe line to determine the utilities' exact location sufficiently ahead of pipe installation to plan for the avoidance of grade conflict. Measure to determine the utilities' location relative to the planned pipe line location. A deviation from the alignment, grade, and location to avoid conflict may be ordered by the Engineer. 4. In locations where rock affects the pipe foundation, excavate the trench 6 to 12 inches below the pipe and place sand cushion material up to the proposed invert elevation. The remainder of the trench up to the top of rock elevation shall be backfilled with granular backfill material a. Sand Cushion: The removal and disposal of the unsuitable material within the trench and below the invert elevation, and the replacement up to invert elevation with the appropriate bedding material. b. Granular Backfill: The removal and disposal of unsuitable material within the trench,above the invert elevation, and replacement up to the surface with appropriate backfill material. No additional compensation will be allowed for wider or deeper trenches in rock excavations. c. For PVC and HDPE Pipe,the sand cushion shall be placed to one foot above the pipe and shall be paid as pipe bedding.The remainder of the trench up to the top of the rock shall be backfilled with granular backfill material. 5. Improved Pipe Foundation: When unsatisfactory foundation conditions exist,excavate to a depth consisting of solid materials. Fill to pipe grade with thoroughly compacted granular materials meeting the requirements of Improved Pipe Foundation Material. 3.04 PIPE BEDDING A. Polyvinyl Chloride Sewer Pipe: Bed pipe in accordance with ASTM D2321. B. Ductile Iron Pipe: Bed pipe in accordance with AWWA Standard C150 and C151. C. Use only selected materials free from rock, boulders, debris, or other high void content substances to a level 1 foot above the top of pipe. Remove ledge rock, boulders, and large stones to provide at least 6-inch clearance from pipe. D. Dig bell holes of ample dimension at each joint such that the pipe barrel rests continuously on the bedding. 3.05 BACKFILL WITHIN PIPE ZONE A. Backfill immediately after pipe is laid. Restrain pipe as necessary to prevent their movement during backfill operations. TRENCHING AND BACKFILLING ©2013 Stantec 1 193801736 33 05 05-5 { B. Place material completely under pipe haunches in uniform layers not exceeding four inches in depth. C. Hand (shovel)tamp along pipe within haunch zone. 3.06 BACKFILL ABOVE PIPE ZONE A. Use suitable materials meeting the requirements of Backfill Material. B. Place in uniform depth layers not to exceed 12 inches before compaction. Complete the compaction of each layer before placing material for the succeeding layer. C. Compact each layer by mechanical means until it meets the requirements of MnDOT Spec. 2105.3F1 "Specified Density Method."Trenches shall be compacted to a minimum of 95 percent, except to 100 percent in the upper 3 feet. If the moisture content of the backfill materials is greater than 3 percent above the optimum moisture, compact the materials to a minimum density of 3 pounds/cubic foot less than the Standard Proctor Curve at that moisture content, except that minimum compaction shall be 85 Percent of Standard Proctor Density. D. The method and means of placement and type of compaction equipment used is at the discretion of the Contractor. However, all portions of the trench backfill must meet minimum specified compaction requirements. E. Any deficiency in quantity of backfill material (caused by shrinkage or settlement)shall be supplied at no additional cost to the Owner. F. Excavated material not suitable or required for backfill shall be disposed of outside of the Site. 3.08 QUALITY CONTROL A. Density Tests: To be performed by an approved soils testing firm at various locations and depths throughout the Site as directed by the Engineer. The Contractor shall cooperate fully and provide assistance as necessary to complete these tests. B. Failed density test areas shall be excavated and re-compacted until the density requirements are met. END OF SECTION TRENCHING AND BACKFILLING ©2013 Stantec 1 193801736 33 05 05-6 SECTION 33 05 17 ADJUST s MISCELLANEOUS STRUCTURES PART 1 GENERAL 1.01 SUMMARY A. Section Include 1. Adjustment of utility structures. B. Related Sections 1. Section 33 10 00—Water Main Utilities. 2. Section 33 31 00—Sanitary Utility Sewer Piping. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. Bid Items have been provided for various adjustments. Payment at the Bid Unit Price for all items is considered compensation in full for all materials and Work required to furnish and install the Bid Item in place. 2. Remove and Replace Manhole Frame and Ring Casting: A Bid Item has been provided for Remove and Replace Frame and Ring Casting. Measurement will be by each. Payment includes all work and materials associated with removing the casting and all adjustment rings, installing new HDPE rings, installing new casting, placing filter fabric, all adjustments, and all other incidentals for removing and installing the new casting and rings. Removed castings shall be salvaged to Owner. 3. Adjust Valve Box: Adjustment of the valve box on new valves installed under this Contract is incidental to the Bid Unit Price for furnishing and installing the valve. Adjustments to existing valve boxes shall be incidental to the removal or abandonment of the valve. 4. Adjust Curb Box: Adjustment of curb box on new curb stops installed under this Contract is incidental to the Bid Unit Price for furnishing and installing the curb stop. 5. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 REFERENCES A. American Society of Testing and Materials (ASTM) 1. ASTM A48—Specification for Gray Iron Casting. 2. ASTM A240—Specification for Heat—Resisting Chromium— Nickel Stainless Steel Plate Sheet and Strip for Pressure Vessels. 3. ASTM C6—Specification for Normal Finishing Hydrating Lime (Mortar). 4. ASTM C141—Specification for Hydraulic Hydrated Lime for Structural Purposes(Mortar). 5. ASTM C150—Specification for Portland Cement(Concrete Rings/Mortar). 6. ASTM C923—Specification for Resilient Connectors Between Reinforced Concrete Manhole Structures, Pipes, and Materials. 7. ASTM D1248—Polyethylene Plastics Molding and Extrusion Materials. 8. ASTM F593—Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs. 9. ASTM F594—Specification for Stainless Steel Nuts. B. Minnesota Department of Transportation"Standard Specifications for Construction,"2005 Edition (MnDOT Spec.) ©2013 Stantec 1 193801736 ADJUST MISCELLANEOUS STRUCTURES 330517-1 1. 2506—Manholes and Catch Basins. 2. 3733—Geotextiles. 1.04 DEFINITIONS A. Adjust Frame and Ring Casting: A change in rim elevation accomplished for manholes or catch basins through the addition or removal of adjustment rings only. Adjustment does not include the addition or removal of sections from the structure. B. Adjust Valve Box: A change in elevation of the top of the valve box accomplished through the raising or lowering of the existing top section of the valve box only. Adjustment does not include the addition or removal of sections from the valve box. C. Remove and Replace Adjustment Rings: The process of removing the existing concrete adjustment rings from an existing structure and placing new rings on manholes and catch basins. 1.05 SEQUENCING AND SCHEDULING A. Contractor, Engineer, and Owner shall inspect all existing structures prior to beginning construction. B. Owner will remove any foreign material found in the existing structures prior to construction. Contractor is responsible for removing any foreign material that enters the structures during construction. PART 2 PRODUCTS 2.01 ADJUSTING RING A. High-Density Polyethylene (HDPE) 1. Molded high-density polyethylene conforming to ASTM D1248. 2.02 ADHESION MATERIALS A. Ram-Nek material, or approved equal. B. Mortar 1. Standard Portland Cement: Type I,ASTM C150. 2. Normal Finishing Hydrated Lime: ASTM C6. 3. Hydraulic Hydrated Lime for Structural Purposes: ASTM C141. 4. Mix Proportions: 1-part cement to 3-parts mortar sand; lime may be added to mixture: maximum amount 15 percent by volume. C. Sealant(For HDPE Rings) 1. DOW 999—A building caulking and glazing sealant,or approved equal. 2. Open cell polyurethane foam sealant with adhesive backing. 2.03 CASTINGS A. Manhole, Catch Basin Frames, and Covers 1. Requirement: ASTM A48. 2. Material: Class 35 cast iron. Best grade. Free from injurious defects and flaws. 3. Finish Preparation: Sandblast. ©2013 Stantec 1 193801736 ADJUST MISCELLANEOUS STRUCTURES 330517-2 4. Mlettersachine. cover and frame contact surface for non-rocking protection. 5. Type and Style: Per City's standard details shown on Drawings. a. Manhole Castings: shall be Neenah R1642B. b. Catch Basin Castings: shall be Neenah R3290VB. c. Pressure Reducing Station-Manhole: shall be Neenah R1642B. 6. All manhole covers shall be stamped appropriately with"SANITARY SEWER"or"STORM SEWER". Pressure reducing station manhole shall have a cover stamped"WATER". Use 2 inch 2.04 VALVE BOX A. Risers 1. Conform to details on Drawings. 2. Conform to the requirements of Section 33 10 00. 2.05 GEOTEXTILE A. Woven filter fabric,4-1/2 ounces for use in conjunction with HPDE rings. B. Conform to City's standard details as shown in Drawings. PART 3 EXECUTION 3.01 GENERAL A. The necessary vertical alignment will be determined by the Engineer and generally as indicated on the schedule of adjustments. B. Where existing frame is within 0.10 feet of grade, no adjustment is to be made. C. The frame shall be raised or lowered to match the street or gutter. D. Protect existing structures from damage. E. Prevent sand, concrete, or any other debris from entering the structures. Sediment control shall be maintained at all times. 3.02 PREPARATION A. Call Utility Owners to field mark their utility locations. B. Contractor to verify exact location of existing utilities. 3.03 ADJUST FRAME AND RING CASTING A. Remove all dirt,debris,dust, and other deleterious material from surface prior to placement of first adjusting ring. B. HDPE Adjusting Ring 1. Remove all dirt, debris, dust, and other deleterious material from surface prior to placement of first ring. 2. Install adhesive for adjusting rings as per the following: ADJUST MISCELLANEOUS STRUCTURES 330517-3 ©2013 Stantec 1 193801736 • Location of Sealant Type of Sealant Between casting and last ring: 3/4 inch by 3/4 inch open cell polyurethane foam sealant and 1/2-inch bead of DOW 999 Between intermediate rings: 1/2-inch bead of DOW 999 Between cone/top slab and first ring: 3/4 inch open uthane foam 3/4 sealant inch by and in 1/2-inch cell bead of poly DOW 999 3. Sealant to be placed around entire circumference of each unit with no gaps. 4. Utilize the flat and sloping units to match the required grade and slope of the area at the location of the structure. 5. Minimum of two, maximum of five rings allowed. 6. Wrap entire casting and ring system with geotextile. For structures with cone section, geotextile wrap to extend over a minimum length of 18 inches of the cone. 3.04 ADJUST VALVE BOX A. Adjust box by screwing top section up or down. B. Prevent sand, chunks of concrete, or any other debris from entering the valve box. 1. Short sections inserted inside the existing top section are not allowed to perform adjustment, unless specified. C. Install approved sections as needed. 3.05 FIELD QUALITY CONTROL A. For adjustments made within bituminous surfaced areas, any settlements of the bituminous surface greater than 3/8 inch below the rim of the adjustment structure will require removal and replacement of the bituminous surfacing at the Contractor's expense. B. Secure manholes and structures immediately after completion or before suspension of operations at the end of working day with castings or suitable alternative device. C. Adjust Manholes [1/8 inch to 3/8] inch below grade prior to placing the final wear course. Thorough tamping of the material around manhole and catch basin frames is required. Where existing frame is within 0.10 feet of grade, no adjustment is to be made. In such cases the crown or gutter shall be either lowered or raised,as the case may be, to put the street and frame at the same grade. D. Adjust frame downward by removing all adjustment rings from the structure and resetting the frame with HDPE adjusting rings conforming to Section 3.03—Adjust Frame and Ring Casting. E. Regardless of the direction of adjustment, no shims of any material will be allowed. The minimum thickness of all mortar joints shall be at least 1/4 inch with a maximum allowable thickness of 1/2 inch. All excess mortar from the joint shall be wiped clean from the inside of all rings and frame. All manhole castings must be replaced prior to the placing of the final wear course. F. Adjust valve boxes to [1/8 inch to 3/8 inch] below grade prior to placing the final wear course. Thorough tamping of the material around the valve box is required. All valve boxes are the sectional screw-threaded adjustable type. ©2013 Stantec 1 193801736 ADJUST MISCELLANEOUS STRUCTURES 330517-4 SECTION 33 08 30 COMMISSIONING OF SANITARY SEWER UTILITIES PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. Testing of sanitary sewer pipe, manholes,fittings, and miscellaneous appurtenances. B. Related Sections 1. Section 33 31 00 - Sanitary Utility Sewer Piping. 1.02 PRICE AND PAYMENT A. Measurement and Payment 1. A Bid Item has been provided for Televising Sanitary Sewer. Measurement will be by lineal n foot. Payment will include all costs related to jetting,vacuuming, providing water determining sags, and televising the line as specified, including submittals. 2. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 SUBMITTALS A. Submit the following items: 1. 2 copies on DVD format of sewer televising and 2 copies of the written report on conditions. DVD and written reports shall be submitted to both Engineer and Owner. 2. Electronic Copies: Televising reports shall be submitted in pdf format. One pdf shall be created for each section of pipe located between two manholes. Each report shall be named with a number matching the City's pipe identification number. The identification number for each section of pipe shall be provided to the Contractor. 3. Identification Spreadsheet: Provide in Microsoft Excel format with the city's pipe identification number for the pipes that were cleaned and lined. Individual televising reports, images,and video must correspond to the pipe identification number. A sample spreadsheet can be provided by the City upon request. 4. Any images taken must be provided to the City in .jpeg format or a format that is approved on by the City. 5. Reports and videos shall be provided for all sections of pipe repaired or replaced. PART 2 PRODUCTS Not Used. PART 3 EXECUTION 3.01 EXAMINATION A. Commence test procedures and for buried pipe, has�been backfilled and free of dirt,water,or other foreign 3.02 FIELD QUALITY CONTROL COMMISSIONING OF SANITARY SEWER 3 TI 30 UTILITIES ©2013 Stantec 1 193801736 A. Engineer will observe all tests and visually inspect the Work for compliance. B. Contractor shall provide all material, equipment, and labor required to test and inspect the sanitary sewer systems. 3.03 SANITARY SEWER CLOSED CIRCUIT TELEVISION INSPECTION A. General 1. Televising shall be performed on all repaired or replaced gravity sanitary sewer lines from manhole to manhole on the section(s)where work was done. 2. Format—The video will be submitted in a DVD format with both audio and video. 3. Camera—The camera will be a self propelled unit providing color video with the ability to tilt up and down and pan left to right. The camera lens shall be capable of turning and looking up each wye or service tap to a minimum distance of the first fitting of the service pipe. The camera is to provide color video and still photographs of any defect. 4. Rate—The televising shall be conducted at a rate not to exceed 30 feet per minute. B. Line Requirements 1. All lines shall be jetted and vacuumed so that all debris has been removed prior to televising. 2. A small quantity of water is to be introduced into the line prior to televising. Amount shall be determined by the Engineer and coordinated with the Owner's Water and Sewer Department. The amount of water shall be sufficient enough to distinguish any sags or alignment problems with the pipe. 3. Each run will consist of a starting and ending manhole number, line size, and a zero reading on the counter at center of the starting manhole. 4. Each service wye shall be examined using the pan and tilt feature. 5. The video camera operator shall type into the video the station (distance), wye location on either the left or right side of the pipe and any problems they notice while televising the sewer lines. C. Manhole Requirements 1. Examine starting and ending doghouses for quality of mortar work. 2. Examine all joints to confirm watertight quality of gaskets and seals. 3. While at the bottom of the manhole, the camera will examine for infiltration as high as it can see around the entire manhole circumference. 4. Examine vertical outside drops. D. Report Requirements 1. A technician shall observe the monitor at all times during the televising and record the data. 2. Note locations, length and depth of any sags in the pipe(indicate any depths greater than 1/2 inch). 3. Note locations, length and depth of any areas of dirt or debris in the pipe (indicate any depths greater than 1/2 inch). 4. Record distance from center of manhole to center of manhole. 5. Note each change in pipe material, including station. 6. Note each wye or service tap location with station and orientation (Example: wye right, 3 o'clock). 7. The complete report and DVD shall be submitted to the Owner/Engineer within 14 days after the completion of the televised segments. 8. Note direction of flow using cardinal/ordinal directions. 9. Include color photos/images of defects in the written report. E. Review ©2013 Stantec l 193801736 COMMISSIONING OF SANITARY SEWER UTILITIES 330830-2 1. All television reports and DVDs will be reviewed after the submittal is received. 2. Comments and corrections will be noted and submitted to the Contractor for immediate correction. 3.04 SANITARY SEWER CLEANING A. Cleaning Equipment 1. Hydraulically propelled equipment. a. Equipment shall be of a movable dam type and be constructed in such a way that a portion of the dam may be collapsed at any time during the cleaning operations to protect against flooding of the sewer. b. The movable dam shall be equal in diameter to the pipe being cleaned and shall provide a flexible scraper around the outer periphery to insure removal of grease. c. If sewer cleaning balls or other equipment which cannot be collapsed is used, special precautions to prevent flooding of the sewers and public or private property shall be taken. 2. High-Velocity Jet(Hydro cleaning) Equipment. a. All high-velocity sewer cleaning equipment shall be constructed for ease and safety of operation. b. The equipment shall have a selection of two or more high-velocity nozzles. c. The nozzles shall be capable of producing a scouring action from 15 to 45 degrees in all size lines designated to be cleaned. d. Equipment shall include a high-velocity gun for washing and scouring manhole walls and floor. e. The gun shall be capable of producing flows from a fine spray to a solid stream. f. The equipment shall carry its own water tank,auxiliary engines, pumps and hydraulically driven hose reel. 3. Mechanically Powered Equipment. a. Bucket machines shall be in pairs with sufficient power to perform the work in an efficient manner. b. Machines shall be belt operated or have an overload device. c. Machines with direct drive that could cause damage to the pipe are not permitted. d. A power rodding machine shall be either a sectional or continuous rod type capable of holding a minimum of 750 feet of rod. e. The rod shall be specifically heat treated steel. f. The machine shall be fully enclosed and have an automatic safety clutch or relief valve. B. Cleaning Precautions 1. During sewer cleaning operations, satisfactory precautions shall be taken in the use of cleaning equipment. 2. When hydraulically propelled cleaning tools or tools which retard the flow in the sewer lines are used, precautions shall be taken to insure that the water pressure created does not damage or cause flooding of public or private property being served by the sewer. for 3. When possible,the flow of sewage shall be utilized to provide the necessary pressure hydraulic cleaning devised. 4. When additional water from fire hydrants is necessary to avoid a delay in normal work procedures,the water shall be conserved and not used unnecessarily. Contact New Hope Public works to obtain meter. No charge will be associated for water use. 5. No fire hydrant shall be obstructed in case of a fire in the area served by the hydrant. C. Sewer Cleaning 1. The cleaning of the sewer lines shall begin upstream and work downstream. COMMISSIONING OF SANITARY SEWERS TI 30 ES ©2013 Stantec 1 193801736 2. The sewer manholes sections shall be cleaned using hydraulically propelled, high-velocity jet or mechanically powered equipment. Selection of the equipment shall be based on the conditions of lines at the time the work commences. 3. The equipment shall be capable of removing dirt, grease, rocks, sand and other materials and obstructions from the sewer lines and manholes. 4. If cleaning of an entire section cannot be successfully performed from one manhole, the equipment shall be set up on the other manhole and cleaning shall be attempted again. 5. If successful cleaning from both manholes cannot be completed,the Contractor shall contact the Engineer. D. Root Removal 1. Roots shall be removed completely where root intrusion is a problem. 2. Any roots which could prevent the seating of the packer or could prevent the proper application of chemical sealants should be removed. 3. Procedures may include the use of mechanical equipment such as rodding machines, bucket machines, and winches using root cutters and porcupines and equipment such as high-velocity jet cleaners. E. Chemical Root Treatment 1. Chemical root treatment may be used at the option of the Contractor to aid in the removal of roots in manhole sections. 2. The application of the herbicide to the roots shall be done in accordance with the manufacturer's recommendation and specifications in a manor to preclude damage to the surrounding vegetation. 3. Any damage to the vegetation shall be repaired at the Contractor's expense. 4. All safety precautions as recommended by the manufacturer shall be adhered to concerning handling and application of herbicide. F. Material Removal 1. All sludge, dirt, sand, rocks, grease and other solids or semisolid material resulting from cleaning operations shall be removed at the downstream manhole of the section being cleaned. 2. Passing material from manhole section to manhole section, which could cause line stoppages, accumulation of sand in wet wells, or damage to pumping equipment, shall not be permitted. G. Disposal of Material 1. All solids or semisolids resulting from the cleaning operations shall be removed from the site and disposed of at a site designated by the contractor. 2. All materials shall be removed from the site no less often than at the end of each workday. Under no circumstances will the contractor be allowed to accumulate debris on the site of work. H. Final Acceptance 1. Acceptance of sewer line cleaning shall be made up on successful completion of the television inspection and shall be to the satisfaction of the Owner. 2. If TV inspection shows the cleaning to be unsatisfactory,the Contractor shall be required to re-clean and re-televise the sewer line until cleaning is shown to be satisfactory. 3.05 SEWER FLOW CONTROL A. When sewer line depth of flow at the upstream manhole of the manhole section being worked in is above the maximum allowable for television inspection, the flow shall be reduced to the level ©2013 Stantec 1 193801736 COMMISSIONING OF SANITARY SEWER UTILITIES 33 08 30-4 shown below by operation of pump stations, plugging or blocking of the flow or by pumping and bypassing of the flow as specified. B. Plugging or Blocking 1. Perform bypass pumping as need to complete the work. 2. A sewer line plug shall be inserted into the line upstream of the section being worked. 3. The plug shall be designed so that all or any portion of the sewage can be released in accordance with the Engineer. 4. During TV inspection, flow shall be reduced within the limits specified above. 5. After the work has been completed, flow shall be restored to normal. C. Pumping and Bypassing 1. When Pumping and bypassing is required the Contractor shall supply the pumps, conduits and other equipment to divert the flow of sewage around the manhole section in which work is being performed. 2. The bypass pump system shall be of sufficient capacity to handle existing flow at peak flow times. 3. The Contract shall be responsible for furnishing the necessary labor and supervision to set up and operate the pumping and bypass pumping system. If pumping is required on a 24-hour basis,engines shall be equipped in a manor to keep noise to a minimum. D. Flow Control Precautions 1. When flow in a sewer line is plugged, blocked or bypassed, sufficient precautions must be taken to protect the sewer lines from damage that might result from surcharging. 2. Precautions must be taken to insure that sewer flow control operations do not cause flooding or damage to public or private property being served by the sewers involved. END OF SECTION COMMISSIONING OF SANITARY SEWER UTILITIES 330830-5 ©2013 Stantec 1 193801736 SECTION 33 10 00 WATER UTILITIES PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. Water main and service pipe, hydrants, valves, fittings, and miscellaneous appurtenances. 2. Piping, valves, fittings, and accessories associated with the pressure reducing station. (Existing manhole structure to be reused.) B. Related Sections 1. Section 33 05 05 -Trenching and Backfilling. 2. Section 33 05 17 -Adjust Miscellaneous Structures. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. Bid Items have been provided for Water Main. Measurement and payment will be based upon the units listed below: a. Temporary Water: No measurement shall be made. Payment shall be by lump sum. Payment shall include the water main pipe, temporary valves,fittings, service lines, staging, ramping, removal, and any other work involved with providing Temporary Water Main/Service. To the extent possible, the existing water main and services shall be used to provide temporary water service. b. Pressure Reducing Valves and Appurtenances: No measurement shall be made. Payment shall be by lump sum. Payment shall include furnishing and installing the pressure reducing valves, pressure gages,water piping, fittings,valves, supports, reinstallation of existing top slap,cutting, connections, and all other work and materials to install the items inside the existing pressure reducing station. c. Water Main and Service Pipe: Measurement will be based upon units of lineal feet for each size and type of pipe installed, as measured along the axis of pipe,without regard to intervening valves or fittings. Water main over depth shall not be measured. Payment at the Bid Unit Price shall include furnishing and installing pipe complete in place as specified. d. Valve and Box: Measurement will be based on Valve and Box installed. Payment at the Bid Unit Price shall include furnishing and installing the Valve and Box complete in place as specified, including all valve box adjustments required throughout the project. e. Hydrant: Measurement will be based on units of each Hydrant installed. Payment at the Bid Unit Price shall include furnishing and installing the Hydrant complete in place as specified. f. Ductile Iron Fittings: Measurement shall be based on the fitting accessory weight installed. Payment at the Bid Unit Price shall include DIP Fitting, poly encasement, coatings, and hardware. g. Connect to Existing Water Main or Service: Measurement shall be based on each connection made, payment at the Bid Unit Price shall include all items required to complete the Work. h. 4 inch Insulation: Measurement will be based on square yards of Insulation at the specified thickness. Payment shall be made at the Bid Unit Price and will include furnishing and installation of the Insulation. WATER UTILITIES ©2013 Stantec 1 193801736 33 10 00-1 i. Joint Restraint: No Bid Item has been provided. Joint restraint shall be considered incidental to water main installation with no direct payment made. 2. No Bid Items have been provided for steel rodding. Steel rodding shall be considered incidental to water main installation with no direct payment made. 3. No Bid Items have been provided for testing. Testing shall be considered incidental to water main installation with no direct payment made. 4. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 REFERENCES A. American Water Works Association (AWWA) 1. C104-Cement-Mortar Lining for Ductile-Iron Pipe and Fittings. 2. C105 - Polyethylene Encasement for Ductile-Iron Pipe Systems. 3. C111 - Rubber-Gasket Joints for Ductile Iron Pressure Pipe and Fittings. 4. C116 - Protective Fusion-Bonded Epoxy Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings. 5. C150 - Ductile-Iron Pipe, Centrifugally Cast. 6. C151 -Standard for Ductile-Iron Pipe,Centrifugally Cast. 7. C153 -Standard for Ductile-Iron Compact Fittings. 8. C502—Dry-Barrel Fire Hydrant. 9. C515- Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service. 10. C550- Protective Interior Coatings for Valves and Hydrants. 11. C600- Installation of Ductile-Iron Water Main and Their Appurtenances. 12. C651 - Disinfecting Water Mains. B. American Society of Testing and Materials(ASTM) 1. A307 -Carbon Steel Bolts and Studs, 60,000-PSI Tensile Strength. 2. A536 -Standard Specification for Ductile Iron Castings. 3. A674-Standard Practice for Polyethylene Encasement for Ductile Iron Pipe for Water or Other Liquids. 4. C578- Specification for Rigid, Cellular Polystyrene Thermal Insulation. C. National Electrical Manufacturers Association (NEMA) 1. WC 70 - Non-Shielded Power Cables Rated 2,000 Volt or Less for the Distribution of Electrical Energy. 1.04 SUBMITTALS A. Submit Product Data for the following items: 1. Pipe,fittings, valves,and hydrants. 2. Joint restraint and corrosion resistant coatings. B. Pressure Reducing Station: Submit 4 copies of shop drawings,and Operation and Maintenance Manuals, plus the number of copies the Contractor would like returned. 1. Shop Drawings: a. Pressure reducing valve. b. Flanged coupling adapter. c. Pressure gauges. d. Manhole and casting. 2. Operation and Maintenance Manuals. a. Pressure reducing valves. b. Pressure gauges. WATER UTILITIES ©2013 Stantec I 193801736 33 10 00-2 1.05 PRESSURE REDUCING STATION: SYSTEM DESCRIPTION A. General Description: Intent is to provide the Intermediate Zone with water(HWL Approximately 1,014 Ft). B. Pressure Reducing Station: 1. Main pressure reducing valve. The small valve shall open if the hydraulic grade line on the downstream side of the valve drops to elevation 1,014 Ft. Pressure reducing valve shall throttle to maintain HGL of 1,014 Ft. When the HGL on the downstream side of the valve is greater than 1,014 Ft, the valve shall close. 2. Fire flow pressure reducing valve. When the HGL on the downstream side of the valve drops below 993,the fire flow pressure reducing valve shall open. The valve shall throttle to maintain a HGL of 993. When the downstream pressure rises to above HGL 993, the valve shall close. 1.06 PIPING ABBREVIATIONS A. Piping type is designated on the Drawings. The following standard abbreviations are used for this Project: 1. DIP Ductile Iron Pipe. 2. Cu P Copper Pipe. 3. SP Steel Pipe. 1.07 PRESSURE REDUCING STATION: MAINTENANCE AND SERVICE A. Local authorized representative with his own full time factory-trained repair service available on 24 hour call. Factory servicemen and service vehicle equipped with tools to make all necessary repairs, as well as component parts required to maintain satisfactory operation of the equipment outlined in these Specifications, shall be available if needed, without undue delay. 1.08 SEQUENCING AND SCHEDULING A. Notify the Owner a minimum of 48 hours prior to performing Work. At this time, the Contractor is responsible to notify the City Fire Department of the intended shutdown. B. Notify all customers connected to water system to be shut down 48 hours in advance of shut down. C. The Owner must open and close the existing valves for this part of the operation. The Owner is responsible for flushing the mains after the connection is completed; however, the Contractor shall assist the Owner as necessary. D. Successfully complete required test and inspections before restoration of surface. PART 2 PRODUCTS 2.01 DUCTILE IRON PIPE AND FITTINGS(DIP) A. General Requirement: AWWA C151/A21.51. B. Cement-mortar lining conforming to AWWA C104/A21.4. C. Special Thickness Class 52 for diameters less than 20 inches. ©2013 Stantec 1 193801736 WATER UTILITIES 331000-3 D. Fittings: AWWA C153/A21.53, Ductile Iron, 250-psi working pressure, AWWA C111/A21.11 latest revision, mechanical joint or push-on: 1. All fitting shall be fusion bonded epoxy coated per ANSI/AWWA C116/A21. E. Pressure Reducing Valve Piping (within structures). 1. Ductile Iron Pipe (DIP): 4-inch Diameter or Larger: a. Pipe: Class 52 ductile iron with solid ductile iron flanges in accordance with ANSI/AWWA C115/A21.15 for a 250 psi working pressure. b. Fittings: Flanged joint ductile iron conforming to ANSI/AWWA C110/A21.15 for a 250 psi working pressure. c. Jointing: Provide full-face 1/8 inch rubber gaskets and bolts of strength for specified working pressure. d. Outside Coating: Clean and coat pipe and fitting with a rust inhibitive primer compatible with field coatings. e. Inside Coating: Cement line pipe and fittings in accordance with ANSI/AWWA C104/A21.4. 2. Copper Pipe(Cu P): a. Pipe: Type"L"hard drawn copper tubing,conforming to ASTM B88. Type"M,"soft drawn, may be used next to fixtures and equipment. Use Type"K"for underground lines. b. Fittings: Sweat fittings of extruded or wrought copper. c. Unions: Provide unions at equipment connections and where shown on the Drawings. Place insulated unions where copper contacts iron or steel. d. Joints: Soldered 95/5 with No. 5 non-corrosive flux. 3. Steel Pipe(SP): Less than 4-inch Diameter. a. Pipe: Schedule 40 galvanized steel with threaded joints. b. Fittings: Galvanized standard weight malleable iron. 2.02 BOLT ASSEMBLIES A. Tee-Head Bolts 1. General: Conform to ANSI/AWWA C111/A21.11. 2. Fluorocarbon Resin Coating: FluoroKote No. 1® (by Metal Coating Corp.); NSS Industries Cor-Blue bolt coating,or approved equal. 3. No other bolts are approved for use with mechanical joint restraints. B. Stainless Steel Bolts 1. General: Conform to requirements of ASTM F593 and ASTM F594,Alloy Group 1, 2, or 3. 2. Approved for use as exterior bolts for hydrants and gate valves. 2.03 HYDRANT A. General Requirements: AWWA Standard C502. B. Specified Hydrant: WB-67-250 or approved equal. C. Approved Manufacturer: Waterous Pacer,or approved equal. D. Two 2-1/2 inch hose connections. E. One 5-inch Storz fitting on the steamer connection. F. 1-1/2 inch pentagon operating nut. G. 5-inch valve opening. WATER UTILITIES ©2013 Stantec 1 193801736 33 10 00-4 H. 6-inch mechanical joint pipe connection. I. Break-off flange with breakable rod coupling. J. 8'-0"cover. K. 16-inch high traffic section. L. 1-1/2 inch pentagon nozzle caps attached to hydrant with metal chains. M. Exterior Bolt Assemblies: Conform to Part 2— Bolt Assemblies. N. Fiberglass Flag: Hydrafinder Hydrant Marker, or approved equal: 1. White fiberglass rod, with 4 red reflective bands without a bulb end. 2. 54 inches long, 3/8 inch diameter. O. Hydrants placed where the ground water table is less than 8 feet below the ground surface shall have the drain holes plugged and shall be equipped with a tag stating the need for pumping after use. P. Color: Painted"Federal Yellow"(Waterous Enamel No. V1814-Y Bright Yellow)at the place of manufacture. Q. After installation and testing is complete,the"field coat"of paint shall be applied with a brush. 2.04 GATE VALVE AND BOX A. General Requirement: AWWA C515 or C509. B. Non-rising stem (NRS), opening by turning counter clockwise, 2 inch square operating nut. C. 0-ring seals. D. Mechanical joint ends conforming to AWWA C111/A21.11. E. Exterior Bolt Assemblies: Conform to Part 2— Bolt Assemblies. F. All internal and external surfaces of the valve body and bonnet shall have a fusion bonded epoxy coating complying with ANSI/AWWA C550 and C116/A21.16. G. Spray exterior nuts and bolts of valve and restraints using a bituminous coal tar as supplied by the manufacturer. H. Wrap gate valves according to Part 2 - Pipe Encasement. I. Valve Boxes 1. 3-piece, ductile iron, screw-type. 2. Adjustable for 7-1/2 foot depth of cover. 3. Valve and box considered as integral units. 4. 5-1/4 inch diameter shafts. 5. "Stay put"type drop covers,"WATER"on top with extended skirts. 2.05 CONDUCTIVITY STRAP ©2013 Stantec i 193801736 WATER UTILITIES 331000-5 I . . A. As specified by the pipe manufacturer. 2.06 JOINT RESTRAINT A. Mechanical Joint Restraint: Not allowed on existing cast iron pipe. 1. Ductile iron conforming to ASTM A536. 2. Working Pressure: Minimum 250 psi. 3. EBAA Iron, Inc. Megalug, Star Pipe Stargrip, or approved equal. 4. Casting body and wedge assemblies coating. a. Fusion bonded epoxy per ANSI/AWWA C116/A2. b. Xylan fluoropolymer coating such as MEGA-BOND'"' by EBAA Iron, Star-Bond by Star Pipe, or approved equal. B. Tie Rods: 3/4 inch diameter rods stainless steel or fusion bonded epoxy coated. 2.07 PIPE ENCASEMENT A. Material: Polyethylene film conforming to AWWA C105/A21.5 and ASTM A674,tube form. B. Color: Black. C. Film Marking Requirements: Conform to AWWA C105/A21.5 and ASTM A674, including AWWA/ASTM standard,corrosion protection warning and applicable range of nominal pipe diameter size(s)every 2 feet along its length. 2.08 INSULATION A. Polystyrene Insulation: Extruded type conforming to ASTM C578,Type VI,VII, or V. 2.09 PRESSURE REDUCING VALVES A. Manufacturer: Cla-Val Model 90-01. B. Body: 1. Globe style. 2. Cast iron,ASTM A126 or ductile iron. 3. Fitting ends: a. Primary Valve(2-1/2 inch): Screwed. b. Fireflow Valve(8 inch): Flanged. 4. Pressure Rating: 200 psi. 5. Trim: a. Primary Valve(2-1/2): Stainless steel. b. Fireflow Valve(8 inch): Bronze. C. Diaphragm Assembly: 1. Disc: Buna N Rubber. 2. Diaphragm: Nylon reinforced Buna N. 3. Stem: Stainless steel with Delrin sleeve. D. Cover: Ductile iron. E. Anti-Cavitation Trim: WATER UTILITIES 331000-6 ©2013 Stantec 1 193801736 1. Manufacturer to determine whether anti-cavitation trim should be added to all valves by comparing maximum inlet and minimum outlet pressure in conjunction with estimated flow rates. F. Coating: 1. Inside: NSF approved epoxy coating. 2. Outside: Epoxy coating compatible with field-applied coatings specified in this Section. G. Accessories: Pilots, isolation valves, needle valves, and stabilizing devices to prevent pulsations and fluctuations: 1. Pilot Control: Bronze. 2. Trim: Stainless steel. 3. Rubber: Buna N. 4. Tubing and Fitting: Copper and bronze. 5. Strainer: Y-strainer with stainless steel screen. 6. Visual Indicator: Sealed to prevent water from entering the valve. H. Operation: 1. Fireflow Pressure Reducing Valve(8-inch): This valve will open only during periods of high flow. In normal operation, the valve operates in a pressure-reducing mode to maintain constant downstream pressure, regardless of varying flow and inlet pressure. 2. Primary Pressure Reducing Valve (2-1/2 inch): This valve operates during periods of normal flow. In normal operation, this valve maintains a constant downstream pressure, regardless of varying flow and inlet pressure. I. Pressure differential for valves to be set by Engineer to math existing PRV station west of the Government Center. Approximate Pressure Settings: 1. Primary(2 1/2 inch): a. Inlet Pressure: TBD. b. Outlet Pressure: TBD. 2. Fireflow PRV(8 inch): a. Inlet Pressure: TBD. b. Outlet Pressure: TBD. J. Warranty: 3 year warranty on valves and all accessories. 2.10 PRV ACCESSORIES A. Ball Valves: Apollo series 70, or equal. Bronze body, 316 stainless steel ball and stem, reinforced Teflon seats and seals, blow-out proof stem design. 600 psi WOG. B. Flanged Coupling Adapter: Smith-Blair 913, Dresser, or equal. Provide high-tensile strength ties rods with 1/2 inch steel ears across couplings in number sufficient for the piping system pressure rating. Tie rods to be as close to flanges as practical. C. Pressure Gauges: Pressure gauges with ball valve shut off valve with handle shall be installed where shown on the Drawings. Provide pipe nipples for handle clearance. Pressure gauges shall be minimum 4-1/2 inch diameter face, bronze bourdon tube type, glycerin filled, 1 percent full scale accuracy gauges with 1/2 inch stainless steel socket. Case shall be stainless steel, lens shall be laminated safety glass, and movement shall be stainless steel. Provide stainless steel snubber. Provide range and scale gradations in feet of water and psi as follows: 1. Downstream Gauge: 0 to 100 psi, 10 psi figure intervals with gradation marks every 1 psi. 2. Upstream Gauge: 0 to 200 psi, 20 psi figure intervals with gradation marks every 2 psi. ©2013 Stantec 1 193801736 WATER UTILITIES 331000-7 D. Pipe Supports: Water piping shall be supported with concrete pipe supports as required to eliminate pipe strain and to facilitate removal of valves for repair. E. Finish Coating: Tnemec Series 66. 1. Color to be selected by Owner. 2.11 PRV MANHOLE A. Existing 6 foot diameter manhole structure to be reused. B. Joints: Rubber gasket joint forming a water-tight seal conforming to ASTM C443. C. Water Tight Pipe Connections 1. Conform to ASTM C923 for connections between maintenance hole structures and pipes 2. Positive Mechanical Seal: Kor-N-Seal, PSX, or approved equal. D. Joint Sealers 1. Sealer between upper precast section and casting frame and between all precast sections. a. Thickness: 1 inch wide by 3/8 inch thick(minimum). b. High quality, non-hardening, butyl rubber, 98-percent solids that will not harden, shrink or oxidize. c. Ram-neck, or approved equal. E. Adjusting Rings: Conform to Section 33 05 17 and Drawings. F. Manhole Frames and Covers: Conform to Section 33 05 17. PART 3 EXECUTION 3.01 PREPARATION A. Conform to the requirements of Section 33 05 05. 3.02 INSTALLATION OF PIPE A. Install pipe and fittings in accordance with the manufacturer's instructions and with the details shown on the Drawings. B. Permanently support, remove, relocate, or reconstruct existing utility pipes, cables, structures, or other appurtenances when they obstruct the line,grade, or location of the pipe or appurtenance. C. Remove foreign matter or dirt from the inside of pipe. D. All jointing of mechanical joint pipe and push-on joint pipe in accordance to AWWA C600. E. Outside of the spigot and the inside of the bell,wire brush,wipe clean and dry. Keep pipe ends clean until joints are made. F. Lay and maintain pipe and appurtenances to the alignment, grade,and location shown on the Drawings. No deviation from the Drawing alignment, grade, or location is allowed, unless approved by the Engineer. No pipe shall be laid in water or when the trench conditions are unsuitable for such Work. WATER UTILITIES ©2013 Stantec 1 193801736 33 10 00-8 G. Provide conductivity throughout the water system by use of conductivity strap, except for HDPE and PVC water main pipe. H. Precautions are to be taken to prevent debris or groundwater from entering the pipe being laid. I. Installing Fittings 1. General Requirements: AWWA C600. 2. Set and jointing to existing pipe and fittings as specified for cleaning, laying, and joining pipe. 3. Spray exterior ductile iron nuts, bolts, and joint restraint bolts using a bituminous coal tar as supplied by the manufacturer. J. Wrap all ductile iron pipe and fittings with pipe encasement. K. Backfilling: Conform to Section 33 05 05. 3.03 INSTALLATION OF HYDRANT A. Location determined by Engineer. A grade stake and location stake will be provided by the Engineer before the hydrant may be set. B. Set on 8-inch concrete block, or approved equal concrete base. C. Brace according to Drawings. D. After each hydrant has been set, place around the base of the hydrant not less than 1 cubic yard of Class A round washed rock with a minimum diameter of 3/4 inch. Carefully place 2 layers of polyethylene, minimum 4 mm thickness each, over the rock to prevent backfill material from entering voids in the drain rock. E. Wrap the hydrant assembly with pipe encasement to the bottom of the break off flange. Wrap all ductile iron pipe and fittings with pipe encasement. F. Maintain hydrants in a plumb position during the backfilling operation. G. Attach a fiberglass marker to the hydrant using an existing flange bolt located at the back of the hydrant. 3.04 INSTALLATION OF VALVE A. Set and joint valves to new pipe in the manner as specified for cleaning, laying, and jointing pipe. Location to be determined by the Engineer. B. Valves and boxes shall be supported on an 8-inch concrete block as shown on the Drawings. C. Maintain valve box centered and plumb over the operating nut of the valve. D. Set top of valve box flush with the existing surface to provide 12 inches of upward adjustment. E. Wrap gate valves with pipe encasement. 3.05 ANCHORAGE ©2013 Stantec l 193801736 WATER UTILITIES 331000-9 • A. Brace hydrants securely against undisturbed soil using precast concrete block. Use mechanical joint restraints or rod all joints from main line tee to hydrant gate valve,then from gate valve to hydrant. B. Restrain all bends and fittings with mechanical joint restraints. C. Where lines terminate with plugs, restrain the plug and next 2 joints with mechanical joint restraints or tie rods in conjunction with the blocking, as directed by the Engineer. The number of rods required is as follows: PIPE SIZE NO. OF 3/4 INCH RODS 6 INCHES 2 8 INCHES 2 3.06 INSULATION A. Review insulation installation with Engineer when water main or service is within 1. Place insulation between water pipe and sanitary pipe 1 foot above or below the sanitary pipe. 2. Place insulation between storm sewer pipe and water main or water service when pipes are separated by less than 2 feet. 3.07 PRESSURE REDUCING STATION A. Excavation and Backfill: Conform to Section 33 05 05—Trenching and Backfilling. B. Install small piping to follow large piping. Install large piping where shown on the Drawings. C. Install insulating unions where copper pipe joins steel pipe or equipment. D. Water piping inside the manhole shall be constructed with shop fabricated,flanged spools except where couplings are shown. Flange adaptors shall not be used unless specifically shown on the Drawings. E. Paint all piping and fittings with two coats of Finish Coating per the manufacturer's recommendations. F. Inspection and Training: 1. The Contractor shall furnish the services of an experienced technician to inspect, start-up, and instruct the Owner's personnel in the use of all equipment specified in this Section. 2. After the underground pressure reducing station has been completely installed and has been put under pressure by the installer,a factory service representative of the pressure reducing valve manufacturers shall spend 1 full day at the Project Site. In addition to their start-up duties,they shall explain and demonstrate the operation of the station. 3.08 TEMPORARY WATER SERVICE A. The existing mains and services shall be used for temporary service to the extent possible throughout construction. B. If water services are required, provide the following. During water main construction, install and maintain temporary water service to all homes,apartments, and/or businesses. WATER UTILITIES 33 10 00-10 ©2013 Stantec 1 193801736 1. The temporary service will allow efficient removal of the existing water main and services, and installation of the new. 2. The temporary service shall provide adequate pressure and volume to properties. 3. The Contractor shall perform a bacteria test on all temporary water lines prior to making any service connections or terminating existing water service. 4. The Contractor shall install any main line valves that may be required to shut off or isolate an area based on the Contractors schedule of work or temporary water system. All valves installed shall be installed in their permanent location as shown on the Drawings per the new water main location. Any valve not installed in its permanent location shall not be paid for and shall be incidental to the temporary water main. 5. Coordinate all Work with the Owner and the Engineer. If staging of the temporary system is necessary, provide a schedule and description of how this is to be accomplished. Submit a plan for temporary service for approval by the Owner. 6. Coordinate connections and service interruptions with the property owners and Engineer at least 48 hours in advance. 7. Provide ramping and/or shallow trenching at street and driveway crossings. 8. Provide emergency contact numbers for evenings and weekends. 9. Maintain, inspect, and adjust the temporary piping as needed or directed throughout the construction. 3.09 PIPE CONFLICTS A. Shall apply to any crossings under existing cast iron pipe and any pipe conflicts where a minimum clear separation of 1 foot is not possible. B. Cut the water main beyond the proposed sewer trench wall. C. Remove the abandoned water main and install offset as shown on the Drawings or as encountered during construction. D. All offset piping shall be DIP. E. Mechanical joint restraints shall not be allowed on cast iron pipe. 3.10 PROTECTION A. Existing valves and hydrants shall be operated by the Owner, unless under emergency situations. B. Securely plug all water main openings promptly before suspension of Work at any time to prevent earth or other substances from entering the water main. C. Mark valve boxes and structures susceptible to being hit by construction or vehicular traffic. 3.11 FIELD QUALITY CONTROL A. Scope 1. Perform hydrostatic pressure, disinfection, and conductivity tests. 2. The Engineer will observe and verify all tests and visually inspect final Work for compliance. B. Hydrostatic Pressure Test 1. Minimum Test Pressure: 150 psi. 2. Test Duration: 2 hours. 3. Criteria: No drop in pressure allowed. ©2013 Stantec 1 193801736 WATER UTILITIES 33 10 00-11 H 4. Testing Gauge: Liquid filled,4-1/2 inches diameter, labeled in 1-psi increments, such as Ashcroft Model 1082, or approved equal. 5. Test all lines, including hydrant leads,water services, and stubs. C. Disinfection 1. General Requirement: AWWA C651—Disinfecting Water Mains(Tablet Method). 2. Place hypochlorite tablets in each section of pipe and all appurtenances a. Attach tablets to top of pipe with a food grade adhesive,such as denture grip. b. The estimated number of tablets required per 20 foot length of pipe based on 3-1/4 grain available chlorine per tablet is as follows: Diameter No. of Tablets 1) 4 Inches 1 2) 6 Inches 2 3) 8 Inches 3 4) 10 Inches 4 5) 12 Inches 5 6) 16 Inches 9 7) 18 Inches 12 8) 20 Inches 14 9) 24 Inches 20 c. Contractor shall use a Project specific number of tablets to disinfect water main for 24 hours with at least 50 ppm available chlorine,with a residual of at least 10 ppm throughout the length of the main at the end of the 24-hour period. 3. Fill main with water at a velocity of less than 1 foot per second if tablet method is used. 4. Flushing by Contractor may begin after the chlorinated water has been allowed to disinfect the new pipe for 24 hours. Contractor shall schedule flushing with the Owner at least 24 hours in advance. 5. After final flushing and before new water main is connected to the distribution system,two consecutive sets of samples,taken at least 24 hours apart,shall be collected from the new main. 6. At least 1 set of bacteria test samples is required for every 1,200 feet of water main installed, plus one set from the end of the line and at lest one set from each main lateral branch. Bacteria test to be performed by Contractor. 7. Contractor shall provide testing results, signed by the testing agency,within 72-hours of sampling. D. Conductivity(DIP) 1. Conductivity to be provided throughout the water system by use of copper straps or approved conductive gaskets with copper inserts, except when PVC or HDPE pipe is used. 2. Test Current: 350 amps at approximately 30 volts for 4 minutes,then 400 amps for 1 minute without fluctuation. 3. Fill lines with water prior to test. 4. Test all lines, including hydrant leads,water services, and stubs. END OF SECTION WATER UTILITIES 33 10 00-12 ©2013 Stantec I 193801736 SECTION 33 31 00 SANITARY UTILITY SEWER PIPING PART 1 GENERAL 1.01 SUMMARY A. Section Includes 1. Sanitary sewer gravity pipe,fittings, and miscellaneous appurtenances. B. Related Sections 1. Section 02 41 13 -Selective Site Demolition. 2. Section 33 05 05 -Trenching and Backfilling. 3. Section 33 08 30 - Commissioning of Sanitary Sewer Utilities. 1.02 PRICE AND PAYMENT PROCEDURES A. Measurement and Payment 1. A Bid Item has been provided for 8 inch PVC SDR-35. Measurement will be based upon units of lineal feet, including bypass pumping, excavation, backfilling, and compaction. Pipe will be measured from centerline to centerline of manholes or to the connection point of the existing pipe. Depth of pipe shall be measured from the design ground profile over the pipe to the design pipe invert: a. PVC pipe bedding will be paid in accordance with Section 33 05 05. b. Improved pipe foundation material, if necessary, shall be per Section 33 05 05. 2. A Bid Item has been provided for Connect to Existing Sanitary Sewer Structure. Measurement shall be on the basis of each and shall be considered to include all excavation, labor, materials, and equipment necessary to make the required connection, including core drilling, installation of rubber boot, and reconstructing bench/invert. 3. A Bid Item has been provided for Connect to Existing Sanitary Sewer Pipe. Measurement shall be on the basis of each and shall be considered to include all excavation, labor, materials, and equipment necessary to make the required connection. 4. All other Work and costs of this Section shall be incidental to the Project and included in the Total Base Bid. 1.03 REFERENCES A. American Society of Testing and Materials (ASTM) 1. C578-Specification for Rigid, Cellular Polystyrene Thermal Insulation. 2. D1784-Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (PVC) Compounds. 3. D3034-Specification for Type PSM Poly(Vinyl Chloride) (PVC) Sewer Pipe and Fittings. 4. D3212 -Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals. 5. F477- Specification for Elastomeric Seals (Gaskets)for Joining Plastic Pipe. 6. F794- Specification for Poly(Vinyl Chloride) (PVC) Profile Gravity Sewer Pipe and Fittings Based On Controlled Inside Diameter. 1.04 SITE CONDITIONS ©2013 Stantec l 193801736 SANITARY UTILITY SEWER PIPING 333100-1 A. Sanitary sewer lines are shown on the Drawings in a general way. Contractor should anticipate minor variations in both horizontal and vertical directions in locating existing system. 1.05 SUBMITTALS A. Submit Product Data for the following items: 1. Pipe and fittings. 2. Transition couplings. 1.06 SEQUENCING AND SCHEDULING A. Do not pursue Work causing shut off of utility services (gas, water, electric,telephone,TV,etc.)to consumers until the utility owner is contacted and all consumers are notified of the shut-off schedule. B. Verify vertical and horizontal location of sanitary sewers sufficiently in advance of installing new pipe to determine the extent of conflict, if any. C. Successfully complete required inspections and testing before restoration of surface. PART 2 PRODUCTS 2.01 SOLID WALL PVC PIPE A. PSM Poly(Vinyl Chloride) (PVC) Plastic Pipe and Fittings(4 Inches Through 15 Inches Diameter). 1. General: Pipe and fittings shall be made of compounds conforming to ASTM D1784 in accordance with the material requirements of ASTM D3034. 2. Design: Integral bell gasketed joint and a minimum wall thickness conforming to SDR 35 as shown on the Drawings. 3. Joints: Elastomeric gasket joints providing a water-tight seal conforming to ASTM D3212 or ASTM F477. 4. Marking: Conform to ASTM D3034. 2.02 INSULATION A. Polystyrene Insulation: Conform to Section 33 10 00. 2.03 TRANSITION COUPLING A. Coupling consisting of an elastomeric sleeve with incorporating stainless steel tension bands, tightening mechanism, and less than 0.01 inch thick shear ring conforming to ASTM C1173, Type A. B. Separate bushings are not allowed without approval from the Engineer. PART 3 EXECUTION 3.01 PREPARATION A. Excavation and Preparation of Trench: Conform to Section 33 05 05. SANITARY UTILITY SEWER PIPING 333100-2 ©2013 Stantec 1 193801736 4 ■ B. By-Pass Pumping: Contractor shall be responsible for all items required to maintain sewer flows during construction of the new sanitary sewer line. All Work and costs for this are considered incidental to the Project, unless otherwise specified. C. Erosion control and dewatering in conformance with local, state, and federal requirements. 3.02 PIPE INSTALLATION A. Trench Excavation and Backfill: Conform to Section 33 05 05. B. Install pipe to the alignment, grade, and location as shown on the Drawings and/or staked in the field. No deviation from the Drawings and/or staked alignment, grade, or location is allowed. Tolerances measured along pipe centerlines or invert as follows: 1. Horizontal: Within 0.50 feet of alignment shown. 2. Vertical: Zero plus and 0.08 feet minus elevation shown with no intermediate high points, level sections, or reverse invert slope. 3. Joint Deflection: No more than 75 percent of the maximum allowable, as recommended by manufacturers of pipe and joint material. C. Maintain reference line and grade with laser equipment or other equipment approved by the Engineer. Periodically check equipment for adjustment and accuracy. Correct deficiencies in equipment, reference line, and reference grade. Take precautions to prevent deflections in reference line and grade. D. Non-Conforming Pipe Installation: Remove and reinstall. E. Inspect pipe for defects and cracks while suspended immediately prior to installation. F. Install pipe from lower to higher invert elevation with uniform and smooth invert line. G. Install pipe length spigot ends pointing in the direction of flow. H. No pipe is to be laid in water or when trench conditions are unsuitable for such Work. I. Jointing 1. In conformance with recommendations of manufacturers of pipe and joint material. 2. All joints must be watertight. 3. Hand fill and compact all bell depressions with granular bedding materials to prevent joints from sagging or movement. J. Cleaning and Protection 1. Remove all dirt and debris from the interior of each pipe length as the Work progresses. 2. Protect the exposed end of the pipe with temporary covers or plugs. 3. Protect in place pipe from damage and dislocation. K. Flexible Pipe Installation: Conform to ASTM D2321. 3.03 CONNECT TO EXISTING SYSTEM A. Connect to Existing Manhole 1. Connect to existing structure at location shown on the Drawings. 2. If rubber boot exists at manhole opening, connect new pipe to the boot and secure. ©2013 Stantec 1 193801736 SANITARY UTILITY SEWER PIPING 333100-3 3. If manhole opening does not contain rubber boot or the existing boot is damaged, core drill opening in the structure,and install a rubber boot in manhole opening prior to connection of pipe. 4. Make repairs to the structure required due to the Work performed, including installation of doghouse. 5. If necessary,the invert shall be reconstructed to accommodate new flow location. Reconstruction of invert will also be necessary if pipe sizes increase. B. Connect to Existing VCP 1. Expose existing sanitary sewer main. 2. Saw cut existing main to provide a straight joint at connection. 3. Connect new pipe to existing pipe with an approved transition coupling: a. Place 1-inch to 2-inch clear rock around the connection to prevent joint offsetting a minimum of 12 inches on all sides of the pipe. b. Concrete collars will not be allowed. 3.04 FIELD QUALITY CONTROL A. Testing in conformance with requirements of Section 33 08 30. B. Re-test after corrective measures are completed. C. Cleanup 1. Cleaning pipe and structures in conformance with Section 33 31 00 prior to televising. 2. Complete prior to final inspection for acceptance. END OF SECTION SANITARY UTILITY SEWER PIPING 6. 333100-4 ©2013 Stantec 1 193801736 `, Stantec Consulting Services Inc. 2335 Highway 36 West St. Paul MN 55113 Tel: (651)636-4600 Fax: (651)636-1311 Stantec March 21, 2013 VVAU i „ Mr. Brian Noma Minnesota Department of Health Drinking Water Protection Section 625 N. Robert St., PO Box 64975 St. Paul, MN 55155 Re: Watermain Plan Approval Application 2013 Washington County Campus City Utility Improvements City of Oak Park Heights Project No. 193801736 Dear Mr. Noma: We are transmitting the following for the project noted above. Please review, comment upon, and approve these plans and specifications: (1)copy Plan Set (1) copy Partial Specification (Watermain Only) (1) original Plan Review Fee Form #56 and the Plan Review Application Fee ($150) Questions regarding this project should be directed to Jason Petersen at 651-967-4630. A copy of any correspondence should be directed to my attention at this office. Sincerely, Stantec y• G (n� / Cathy White Administrative Coordinator . 2013 Washington County Campus City Utility Improvements Stantec Project No. 193801736 Watermain Quantities ITEM UNIT QTY REMOVE WATER MAIN LF 100 REMOVE HYDRANT EA 6 REMOVE GATE VALVE& BOX EA 27 ABANDON WATER MAIN LF 4100 TEMPORARY WATER LS 1 CONNECT TO EXISTING WATER MAIN OR SERVICE EA 15 HYDRANT EA 6 PRESSURE REDUCING VALVE &APPURTENANCE EA 1 8" GATE VALVE EA 17 6" GATE VALVE EA 8 4" GATE VALVE EA 5 8" DIP WATER MAIN LF 3700 6" DIP WATER MAIN LF 190 4" DIP WATER MAIN LF 160 DUCTILE IRON FITTINGS LB 2000 MINNESOTA DEPARTMENT OF HEALTH Division of Environmental Health REPORT ON PLANS Plans and specifications on watermain: Washington County County, Plan No. 130336 ty Campus City Utility Improvements, Oak Park Heights, OWNERSHIP: Oak Park Heights City P.O. Box 2007, Oak Park He ghts, Minnesota Kegley,82- 14168 Oak Park Boulevard, SUBMITTER S : 82 2007 O Bonestroo/Stantec, c/o Mr. Chris Lone, 2335 West Highway 36, St. Paul,Minnesota 55113 , 2013 Date Reviewed: April 3, 2013 SCOPE: This report covers the design of this project insofar public consumption may be affected, and applies The examination nmay be affected,d is based upon the this the safety of to sanitary quality of or any y other pplies to this project only and not to the entire system or an othe chereot, and that necessary legal plans supposition that the data on which the design is based has been obtained to construct the project. The responsibility y r part of structural features and the efficiency of e sad are design eli contingent upon satisfactory features y equipment must be taken by the project designer. Approval i entr'disposition of any requirements included with this report. It is for the to retain the plans at the project location. pproval is s the project owner's Water supply plans are examined with regard to the location construction and Water supply plans s all parts examined with hich may maintenance n e of l the standards fthe system em which e afety and and operational features of the design y affect the safety and sanitary quality of the water. department. It is the contractor's responsibility to contact the Minnesota Department of Health(MDH)for inspections in the report pertaining to inspections. If you have any please the report me at pertaining t in684, pections as Minnesota ple De Please direct all y questions regarding information inspections contained in this Department of Labor and Industry at 651/284-5067.questions regarding plumbing inspections to the This project consists of the installation of the following water mains:. 160 lineal feet of 4-inch ductile iron watermain. mains: 2. 190 lineal feet of 6-inch ductile iron watermain. 3. 3,700 lineal feet of 8-inch ductile iron watermain. rrnam Requirement(s): 1• Hydrant drains shall not be connected to, or located basins or sewer not manholes. Please to, or d within, 10 feet of sanitary 10 feet from any storm or sanitary verify that the hydrant shown on Plan Sheet No. U7 ise ears, sewer ry sewer. separated by 2. Hydrants placed where the groundwater table is above the drain and be equipped with a tag stating the need for pumping after u hole outlet shall have the drain hol se. a plugged Washington Coun Watermain h Campus City Utility Improvements Plan No. 130336 Page 2 April 3, 2013 3. When temporary watermains and water services are used, the following a. Piping used for temporary watermain shall meet the requirements of the uMDHntT e et p met: shall be disinfected in accordance with AWWA C 651 residual of disinfected 50 ppm shall ace used, The temporary quality The watermain and service lines must bettested minimum r ast chlorine g i ty prior to use in accordance with AWWA Standard C 651. bacteriological b. The temporary water service piping • requires temporary the temporary p p g shall be approved by the local administrative authority. Otherwise, the service` ry water service line meet the National Sanitation Foundation Standard Otherwise, the line material must meet the requirements of the Plumbing The MDH and must be approved by tandard 61. service lines must be disinfected in accordance with either AWWA g Code Y the manufacturer for above ground use. The tempora water above), � Minnesota Rules, ), or the Minnesota Plumbing WWA Standard C 651 �' ter and service )nes must Minnesota be tested lu bacteriological bi innesota Rules (with exception AWWA Se lines C 651. Rules, Chapter co d nce0. The watermain quality prior to use in accordance with COMPLIANCE: No construction shall take place except ' make COMPLIANCE: from the construction plans,t, the MDH should the pt m accordance with the approved ctions from is started pproved plans. If it is obtained to may create dangers to otherwise, d be consulted and approval of the changes obtained public health. , such construction is installed without proper for construction in accordance p per approval and, in addition, Authorization on f for a construction io two with the approved recommendations undertaken within or requirements he pan plans been be approved doe inotnecession is not uirements for change will not be made at some bean a additional information, or advanced knowledge ome lassr time when changed conditions, additional that Approved: make improvements necessary. , //) _____ David Weum / Public Health Engine Section of Health En Water Robert H. Smude, P.E. P.O. Box 64975 Protection Public Health Engineer St. Paul, Minnesota 55164- Section of Drinking Water Protection 651/201-4684 0975 P.O. 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O Do X / n p z%h _ J ,� kr) rnz 3 � I — G ® , c^'� Coa H ° 3 43 -MI D - ' �_ CD M 0 rr.: Q m 1 m D Oak Park Heights, MN I PREPARED " ' ® F w AND THAT I AM A CULY LICENSED PROFESSIONAL ENGINEER F U3 UNDER OE LAWS OF THE STATE OF MINNESOTA -1 C = C _ y i \E y,P g 2013 Washington County Campus City Utility Improvements PRINT NAME CHRISTOPHER W.LANG W,1-..i r ® i E R R I g TITLE SHEET S GNANAE Oa G m DATE 3/6/2013 LIC. 97106 Lo V:\1938\active\193801736\CAD\pWg,\193801736 C001_U2.dvg 3/6/2013 12:01:13 PM + r Ia iliriii*1! - l( �)/ I , - Mit 4 1 ! ( I I � L ' I Il l 11 i I. 111P ■ I� _� „I I Ea D .1g 1 • I \ CI I- , 1 I, I L 91 ' , ril I ,_ •11 1.1 I Bel i I \11111� i[- -1 L i q' R PIL- (E.i Iii±,- , : I "" - isilli �� __I ilk �^ Imp Ispa _n _ I I,I HT L LL 1 Il/Nuuuuu" I it II I X1111 111 Nuuuuu� 1 AIM �! Ii ii I I o on • al ' I_HI::J ii ii ! iLi 1 kat iii,e, Mil sir �N 1 � ; ;II y;iiiiiii um 1'7 :7 - :, R , 7T--1■ 1! 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ND o I I 0 ,I J ---- >:- I , fli N I HEREBY CERTIFY THAT THIS PLAN,SFEaFICATION,OR*PM § i i.• WAS PREPARED BY ME OR UNDER MY DIRECT SUFERVISION T i 6 Oak Park Heights, MN '.r°THAT,TE'AmAcc,",=0:74.7° Y-1; E A Ig 2013 Washington County Campus City Utility Improvements PRINT MAW CHRLSTOM1ER W.LONG 62ND STREET NORTH/OXBORO AVENUE NORTH w i ' ''''/"4"4- a'f- --7-"I g IiRRT 1 DEMOLITION PLANS SMNATURE: DATE: 3/6/2013 LIC.ND. 47106 ■-• 14* V:\1936\active\193801736\CAD\Dwg\193801736 C002_113.dwg 3/6/2013 12:04:42 PM o _ I O D r j n 1 o f D , i ,_ 0 0 1 \ 1 0 — —I OXBORO AVENUE NORTH , ' 1 V 1-1 ± r ' I all ( ( _ 11 j G j «_. o � A -D m�r Z I if O _ AR 1 II II p W I I L 1�I II nom. 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A � m wCar rtnN om - z '_ �` /// Cr '�li I il'I cV 3 ry ����� o ��� � z 3 6 00 ns a i �� cF low Z c - in �� - bw.600O;u;rs O Z T o°�D'J / rm �* . 1 z m -• Ild° ,n m rn t ry N n �\ ' p p8 2 R 2 , - 64 di-ItN99;000 (m'� 1-1 Dr- ��� 0'VI A w N N.'cap$ 7 J 'd O P g 1 6868,6,d,O�w 0 C$7 < C I HEREBY CERTIFY THAT THIS PUN, CATION,DR PHVRT T y N WAS I. 0 ® x Oak Park Heights, MN AND THAT AM YNECR UNDER MY DIRECT AFL/NGCN w p AND THAT I AM A CULT LICENSED PROFESSIONAL Bi @J� pE; .< O g tj / UPDER TfE LAWS CF TIE STATE OF MINNESOTA I�jl,i,C g 11, CO PRINT NAME: CHRISTOPHER W.LONG °�' �, 3 E P g 2013 Washington County Campus City Utility Improvements m . a c,3 s 4. ' i � a STANDARD DETAILS SIGNATURE: DATE 31612013 LIT.ND. 47106 w V:\1938\active\193801736\CAD\Dwg141936017 UC8001_&dvg 3/6/2013 12:07:57 PM ■ 0 rn V � n i' i l, rn k X 1 =_-w — 7.5'MIN. D x 00 Z D v O 20 D n S n E u v D > { !� �i�l���I Z N 7C i 5 rn 204 11141111111E co... i Q El ao Vat 0 A f) vCl3.T.•- • X 3 O a OOZrc m� y 0 Z pp qv F 0 X � m _g x20 -I O N 1 � ° 4 ni r2 lx 0 m N A W N Z 3 Fa oW noon° 3 > _ See Plan 0 m °°-N o mA Min 7.5' Z =O nm,o TT mo6po II L:Ij '4%It n Al 0 O -1 Z �� C \ •-•-•c O cri Z D o °D m 2-0' '3 MIN I a E D I N o °' o a Q a f ° o [n m a o o _ Z m I o II -o o ./ m n O N p. a' 'a O 2 ? } m i m 4 rn° n m o 0 m 'tD L) ITI 3 __ - ^ o "O QaNOm . r. m Nm no 0 oa°to aQ Z a • K. Gy_, .. 2 S 'n R. C S2 II o X m m< N Z T �" N l t---II 1_1 fl- _ -. n0 T m T � i��1111I1I �I z�F r z 0 L 4001s . '-=,'-11"1 -o io, T �-o • I- tiT ICI ' Pa 3 j0 Q l l m c�2 I vQ a. —= I� o� m ii.L - 1 - Orn criP m I -.1'I,III pa m I 2 mD N., AO' O 0 N c/1 v _to f'fv 1 III !- � D m pp H :-0 zrpn �I 1111 1III_=' p N.0 N C 7173 m 73-I[p Z vl I I_._i, �i:-1,, I_ 0 O -1 r O T m C 3 En O a -,I. 3 v a m 5 _ c m O n c� a o 8 n "CY�� m m ¢o aD z < C^ 52 � o rn z . m ` O 1141 FIELD VERIFY i [HEREBY CERTIFY THAT THIS MAN,SP�ICATRIi,OR R9'ORf T.U W Z WAS PREPARED BY ME OR UNDER MY DWH.T S. ON ® i .. ..y,„, O AND TNT I AM A OULY IZBfID RROFfB6lONAC BI�� to O,O,d = I 1 Oak Park Heights, MN aNDe r�uw6oFrHESrATEDF MINN6DTA PRINT NM£ CHRISTOPHER W.LONG t I /S+ 3 C£ ® 6 2013 Washington County Campus City Utility Improvements n , z W AGNANPE W a °a STANDARD&SPECIAL DETAILS DATE 316/2013 uc.NO. 47106