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wilson&co. central mall water/sewer 5/29/1990WILSON &COMPANY 631 East Crawford Avenue Salina, Kansas 67401 P.O. Box 164067402-1640 913-827-0433 29 May 1990 State of Kansas Department of Health & Environment Division of Environment Forbes Field Topeka, KS 66620 Attn: Mr. Rance Walker Municipal Programs Sections Re: Central Mall On -Site Water and Sewer Systems Salina, Kansas WCEA File: 79-123A Albuquerque Colorado Springs Kansas City Phoenix Salina, Kansas Wichita Dear Mr. Walker: We are transmitting one set of specifications with plans for your review and approval. Also enclosed are two specification/plan covers. The applications for Public Water Supply Permit and Application for Sewer Extension Permit are not enclosed as per our phone conversation on 23 May 1990. Please advise us if the Applications are required. We will plan to begin construction within 14 days. Upon completing your review, please return two specification/plan covers to our office with your stamp of approval thereon. Retain the full set for your files. Please contact us if you have any questions of comments. WILSON & COMPANY Martha A. Tasker Enc. cc: Don Hoff, City of Salina Engineers & Architects CENTRAL MALL ON-SITE WATER AND SEWER SYSTEM DRAWINGS AND TECHNICAL SPECIFICATIONS est Ecra . .f \GV_ N SFQ•, O' � v 1826 \l �S41ONAL ENG\ MLSON &COMPANY REVISED 29 MAY 1990 May 1990 (79-123A) TABLE OF CONTENTS Page No. DIVISION 1 - NOT USED DIVISION 2 - SITE WORK SECTION 2A - OBSTRUCTIONS AND REMOVAL WORK 1 General 2A-1 2 Surface Obstructions 2A-1 3 Subsurface Obstructions 2A-1 4 Public Utilities 2A-1 SECTION 2B - EXCAVATING, TRENCHING, BACKFILLING AND GRADING 1 General 2B-1 2 Classification of Excavation 2B-1 3 Dewatering 2B-1 4 Surface Drainage 2B-1 5 Barricades and Warning Signs 2B-1 6 Shoring and Bracing 2B-1 7 Obstructions 2B-1 8 Stripping and Clearing 2B-1 9 Trenching 2B-2 10 Trench Stabilization 2B-2 11 Trench Backfill 2B-2 12 Overdepth Excavation 2B-3 13 Site Grading and Cleanup 2B-3 14 Guarantee 2B-3 SECTION 2C - PIPELINES AND APPURTENANCES 1 General 2C-1 2 Trenching and Backfilling 2C-1 3 Pipeline Materials 2C-1 4 Vitrified Clay Pipe (VCP) and Fittings 2C-1 5 Ductile Iron Pipe (Dip) and Ductile Iron or Cast Iron Fittings 2C-1 6 Lamping Complete Lines 2C-4 7 Television Inspection 2C-4 8 Infiltration Testing 2C-4 9 Blocking Fittings 2C-5 10 Connection to Existing Main 2C-5 11 Flushing and Chlorination 2C-5 12 Intersection with Sanitary Sewers 2C-5 13 Separation of Potable Water Mains and Sanitary Sewers 2C-5 14 Separation of Water Mains and Pollution Sources 2C-6 A II DIVISIONS 4 THROUGH 16 - NOT USED EXHIBIT A LIST OF DRAWINGS 1 General Notes and Construction Notes Page No. North 15 16 Hydrants Resilient Seat/Wedge Valves 2C-7 2C-7 Plan 17 Fire Hydrant Barrel Extensions 2C-8 Details 18 Double Strap Service Clamps 2C-8 Modifications 19 Corporation Stops 2C-8 DIVISION 3 - CONCRETE rSECTION 3A - CAST -IN-PLACE CONCRETE 1 General 3A-1 2 Composition 3A-1 3 Portland Cement 3A-1 4 Aggregate 3A-1 5 Water 3A-1 6 Admixtures 3A-1 7 Proportions 3A-1 8 Forms 3A-1 9 Mixing 3A-1 10 Placing 3A-1 11 12 Finishing Curing and Protecting 3A-2 3A-2 13 Reinforcing Steel 3A-2 14 Embedded Items 3A-2 15 Preformed Expansion Joint Filler 3A-2 16 Testing 3A-2 17 Final 3A-2 DIVISIONS 4 THROUGH 16 - NOT USED EXHIBIT A LIST OF DRAWINGS 1 General Notes and Construction Notes 2 Partial North Plan 3 Partial South Plan 4 Miscellaneous Details 5 Miscellaneous Details 6 Manhole Modifications 7 Manhole Modifications B DIVISION 1 - NOT USED L1 II DIVISION 2 - SITE WORK 3. SUBSURFACE OBSTRUCTIONS. Trenches may intersect water mains and ser- vices, gas mains and services, storm drains and pipe culverts, underground conduits, cables and similar buried obstructions. CONTRACTOR shall make a reasonable effort to ascertain the existence of obstructions by inquiry and examination of public and private utility maps, and shall locate obstruc- tions by digging in advance of machine excavation where definite informa- tion is not available as to their exact location. Where such facilities are unexpectedly encountered and damaged, responsible officials and other affected parties shall be notified and proper arrangements made for the prompt repair and restoration of service. See Paragraph - PUBLIC UTILITIES. 4. PUBLIC UTILITIES. Public utility pipelines, poles, cables, conduits and wires which interfere with construction shall be bypassed or worked around by hand excavating, tunneling or other approved methods, at CONTRACTOR's expense, where practicable. Where not possible to bypass or work around the facility, the facility shall be removed or relocated by the respective utility company upon notification that such removal or reloca- tion work is necessary to permit new construction to lines and grades designated. Cost of such removal or relocation work shall be borne by OWNER, provided that the facility to be removed or relocated has been installed at approved location and depth under terms of the franchise, otherwise all costs shall be borne by the utility company. OWNER shall 2A-1 SECTION 2A - OBSTRUCTIONS AND REMOVAL WORK 1. GENERAL. Natural obstructions and publicly owned existing facilities and improvements encountered during construction shall be removed, relo- cated, reconstructed or worked around as herein specified, regardless of whether or not their existence or location is shown or noted on the Drawings. Care shall be used while excavating, trenching or performing other work adjacent to any facilities intended to remain in place; except as otherwise specified, CONTRACTOR shall be responsible for any damage to publicly owned items, and any repairs required shall be promptly made at his expense. Waste materials shall be disposed of by CONTRACTOR at no additional cost to OWNER. No separate or additional payment will be made for any work in connection with removal, relocation or restoration of obstructions and existing facilities. 2. SURFACE OBSTRUCTIONS. Sidewalks, curb and gutter, drainage structures and similar obstructions may be tunneled under if length of tunnel section at pipe grade is not more than eight feet; otherwise the obstruction shall be cut in straight lines parallel to the pipeline, or removed to the nearest construction joint if located within five feet of the centerline of the trench, provided that in no case shall the joint or line of cut be less than one foot outside the edge of the trench. Surface obstructions removed to permit construction shall be reconstructed as specified for new con- struction, or if not specified, in accordance with accepted standard practice and to the dimensions, lines and grade of original construction. Backfill of tunnel sections shall be rammed in place as directed. 3. SUBSURFACE OBSTRUCTIONS. Trenches may intersect water mains and ser- vices, gas mains and services, storm drains and pipe culverts, underground conduits, cables and similar buried obstructions. CONTRACTOR shall make a reasonable effort to ascertain the existence of obstructions by inquiry and examination of public and private utility maps, and shall locate obstruc- tions by digging in advance of machine excavation where definite informa- tion is not available as to their exact location. Where such facilities are unexpectedly encountered and damaged, responsible officials and other affected parties shall be notified and proper arrangements made for the prompt repair and restoration of service. See Paragraph - PUBLIC UTILITIES. 4. PUBLIC UTILITIES. Public utility pipelines, poles, cables, conduits and wires which interfere with construction shall be bypassed or worked around by hand excavating, tunneling or other approved methods, at CONTRACTOR's expense, where practicable. Where not possible to bypass or work around the facility, the facility shall be removed or relocated by the respective utility company upon notification that such removal or reloca- tion work is necessary to permit new construction to lines and grades designated. Cost of such removal or relocation work shall be borne by OWNER, provided that the facility to be removed or relocated has been installed at approved location and depth under terms of the franchise, otherwise all costs shall be borne by the utility company. OWNER shall 2A-1 1 notify the utility company in writing of the approximate date on which construction work will begin. Such notice shall be given sufficiently in advance of beginning on construction to allow adequate time for the removal or relocation work to be accomplished by the utility company without interfering with construction schedules. CONTRACTOR shall give sufficient notice in writing to OWNER as to his construction schedule regarding existing public utilities that may need relocation. 2A-2 I SECTION 2B - EXCAVATING, TRENCHING, BACKFILLING AND GRADING 1. GENERAL. This section covers excavating, trenching, backfilling and grading for underground pipelines and appurtenances, miscellaneous struc- tures, together with all incidental work in connection therewith, including disposing of surplus and waste materials, and site grading. 7 2. CLASSIFICATION OF EXCAVATION. All excavation will be unclassified and CONTRACTOR shall remove all substances encountered in excavating and trenching to the designated limits and grades. No separate or additional payment will be made for classification, regardless of the nature, condition or moisture content of the materials. 3. DEWATERING. 7. OBSTRUCTIONS. Care shall be used while excavating, trenching or per- forming other work adjacent to any facilities intended to remain in place; except as otherwise specified, CONTRACTOR shall be responsible for any damage to existing items and any repairs required shall be promptly made at his expense. 8. STRIPPING AND CLEARING. Sod, heavy growths of weeds or other vegeta- tion, matted roots and other trash and debris shall be removed; such removal 2B-1 a. General. If water is encountered during trenching and excavating operations, such water shall be removed or lowered as required to permit preparation of a satisfactory pipe bed or structural.subgrade, free from water. b. Discharge. Water from dewatering operations shall be discharged to drainageways sloped to drain away from the sites. C. Permits. CONTRACTOR shall be responsible for permits required to dewater other than right-of-way or easements obtained by OWNER. 4. SURFACE DRAINAGE. Surface drainage shall be diverted away from site of open excavations and trenches. Surface water which enters or accumu- lates in open excavations or trenches shall be removed and the subgrade or pipe bed restored to original bearing value and condition at no additional expense to OWNER. 5. BARRICADES AND WARNING SIGNS. CONTRACTOR shall provide and maintain in place all barricades, warning signs, lights and other safety devices required to protect the work, divert traffic and warn the general public of open excavations, unfilled trenches and other areas or conditions which might be hazardous or dangerous during the daylight or dark. 6. SHORING AND BRACING. All shoring, bracing and blocking shall be furnished and installed as required to preserve and maintain exposed exca- vation faces, to protect existing facilities, and to provide for the safety of workmen and the general public. All items of shoring and bracing shall be progressively removed as backfilling proceeds. 7. OBSTRUCTIONS. Care shall be used while excavating, trenching or per- forming other work adjacent to any facilities intended to remain in place; except as otherwise specified, CONTRACTOR shall be responsible for any damage to existing items and any repairs required shall be promptly made at his expense. 8. STRIPPING AND CLEARING. Sod, heavy growths of weeds or other vegeta- tion, matted roots and other trash and debris shall be removed; such removal 2B-1 UJ may be accomplished by stripping or other satisfactory measures. Strippings and debris shall be transported to approved waste areas and shall not be incorporated in finished grading. Top soil shall be removed from areas of excavation and stored separately for application on the areas to be seeded. 9. TRENCHING shall be open cut, with banks kept as nearly vertical as practicable. Width of trenching below top of pipe shall be not less than 8 nor more than 16 inches wider than outside diameter of pipe to be installed. Particular care shall be used to avoid overdepth excavation except where ' ordered to remove material considered unstable or otherwise unsuitable as bedding for pipes. Overdepth excavation occurring from any cause shall be corrected as specified in paragraph - OVERDEPTH EXCAVATION. 10. TRENCH STABILIZATION. Where wet or unstable soil conditions are encountered during trenching operations, the trench shall be further exca- vated to a minimum depth of 12 inches below the flowline of the pipe or to a depth required to stabilize trench bottom. The trench shall then be backfilled with granular material. Following installation of pipeline the trench shall be backfilled to an elevation of 6 inches above the top of pipe with granular material. The granular material shall consist of well -graded crushed stone, chat or sand/gravel material with a maximum particle size of 1 -inch but containing not more than 5 percent by weight of particles passing the No. 8 sieve. Granular bedding shall be placed and compacted simultaneously on each side of pipe, using particular care to obtain satisfactory bedding throughout the length of pipe without causing displacement of, or damage to, joints. Remainder of trench shall be backfilled in accordance with paragraph - TRENCH BACKFILL. 11. TRENCH BACKFILL. Lower portion of trench shall be defined as that area between the Pipeline Bedding (see Paragraph - TRENCH STABILIZATION) and a point 6 inches above the top of pipe. Upper portion of trench shall be defined as that portion of trench from top of lower portion to the finished grade. a. Lower Portion. Except as otherwise specified in paragraph - TRENCH STABILIZATION, lower portion of trenches shall be backfilled with select material excavated from the trench, free from large stones, clods, or trash, and containing proper moisture content for maximum density when thoroughly compacted. The material shall be placed and compacted simul- taneously on each side of the pipe without causing displacement of or damage to joints. Backfill material shall be spread in shallow layers or lifts and each layer compacted to a density of 90 percent of maximum as determined by AASHTO Method T 99. b. Upper Portion of trenches shall be backfilled in accordance with the following applicable procedure. (1) Compacted Backfill. The upper portion of all trenches shall receive backfill consisting of selected excavated materials free from stones, large clods, trash or debris, and a moisture content of -2 percent to +3 percent of optimum and compacted to a uniform density of at least 95 percent maximum as determined by AASHTO Method T 99. Material shall be 2B-2 spread in lifts and each lift compacted by mechanical or pneumatic equipment. When compaction operations have been completed, entire surface shall be finished to proper lines and grade and rolled smooth. 12. OVERDEPTH'EXCAVATION. Except for the usual variations normally occur- ring in trenching and structure excavation, and within the tolerance speci- fied or customarily permitted in work of this type, trenches and excavation shall not be carried below the depths required to permit construction to the elevations, grades and dimensions shown on the drawings. Inadvertent overdepth excavation of pits or trenches occurring through oversight or inattention of CONTRACTOR shall be corrected as directed and at no additional expense to OWNER. Overdepth trenching shall be corrected by backfilling with gravel or crushed rock; or suitably selected material placed and compacted in light lifts to a uniform density equal to that of adjacent undisturbed material. Overdepth excavation under structures shall be filled with concrete, or as specified for backfilling; foundations or footings will be redesigned, or the heights of walls increased, where such action is required for stability. 13. SITE GRADING AND CLEANUP. Upon completion of other work at each location, the entire site of construction shall be graded to uniform slopes, properly shaped and conforming to adjacent contours, providing free drainage without ponding, and presenting a neat and finished appearance. 14. GUARANTEE. CONTRACTOR shall guarantee all materials, workmanship, trenching and backfill for a period of one (1) year. Any settlement of trench backfill including any damage to surfacing, streets, sidewalks, curb and gutter, etc., shall be corrected by CONTRACTOR. This guarantee will be supported by a Performance Bond for an amount at least equal to the Contract Price as security for the faithful performance of all the CONTRACTOR's obli- gations under these specifications. (A copy of the Performance Bond can be found in EXHIBIT A.) 2B-3 SECTION 2C - PIPELINES 1. GENERAL. The work to be done under this section consists of fur- nishing all required materials, equipment and labor for installation of the piping, valves, fittings and blocking, including all testing, flush- ing and sterilizing of the pipelines. Pipelines of the respective types conforming to these specifications and of the respective size shown on the Drawings for the particular location, shall be constructed to proper line and grade, resulting in an unobstructed conduit having a smooth and uniform invert. 2. TRENCHING AND BACKFILLING shall conform to applicable requirements of Section - EXCAVATING, TRENCHING, BACKFILLING AND GRADING. 3. PIPELINE MATERIALS. The Drawings indicate the size of pipe to be installed at each location. Type of pipe is as indicated below: Pipeline Acceptable Material Water Line Ductile Iron Gravity Sewer Vitrified Clay, Ductile Iron 4. VITRIFIED CLAY PIPE (VCP) AND FITTINGS. At CONTRACTOR'S option vit- rified clay pipe and fittings may be either bell end pipe or plain end pipe with compression couplings as specified below. In either case acid soluble material in vitrified clay pipe and fittings shall not exceed 0.25 percent. Each shipment of pipe shall be accompanied by a certifi- cate from the manufacturer or an independent laboratory certifying that the material has been tested under ASTM C 301 and conforms to these specifications. Material will be subject to physical inspection and culling at the job site for the purpose of rejecting defective or damaged pipe. a. Bell End Pipe. Pipe, including fittings, shall be extra strength clay sewer pipe, conforming to ASTM C 700. Clay pipe and fit- , , tings shall be furnished with factory fabricated plastic jointing connec- tions conforming to ASTM C 425. b. Plain End Pipe. Pipe, including fittings, shall be plain end pipe conforming to dimensional and strength requirements of ASTM C 700. Pipes shall be joined using a compression sleeve manufactured to conform to ASTM C 425. C. Testing. All gravity lines shall be tested using low_ pressure air test of vitrified clay pipe lines as per ASTM C 828. 5. DUCTILE IRON PIPE (DIP) AND DUCTILE IRON OR CAST IRON FITTINGS. a. Pipe and Fittings. Buried piping shall be mechanical joint or slip -type joint; pipe fittings shall be mechanical joint unless otherwise indicated. All pipe shall be Class 150 conforming to the requirements of ANSI/AWWA C151/A21.51 and ANSI/AWWA C150/A21.50 and shall meet the 2C-1 following requirements. All ductile iron pipe and fittings shall have an asphaltic exterior coating as per AWWA C151, AWWA C115 and AWWA C110 and all ductile iron pipe and fittings used for water lines shall have an interior cement lining as per ANSI/AWWA C104/A21.4. Pipe Size, Inches (Nominal, I.D.) Standard Class No. 6 50 Gravity Sewer 52 Water Line B 50 Gravity Sewer 52 Water Line 12 52 Water Line Tolerances shall be as specified in the respective specified standard for each type of pipe joint. Mechanical joint fittings shall conform to the requirements of ANSI/AWWA C110/A21.10 and ANSI/AWWA C111/A21.11, Class 250 for sizes 12 -inch and smaller, Class 150 for sizes larger than 12 -inch. Fittings may be ductile iron Class 350 where respective sizes are available. (1) Handling. Pipe and accessories shall be handled in such a manner as to ensure installation in sound undamaged condition. Particular care shall be taken not to injure the pipe coating. No other pipe or material of any kind shall be placed inside of any pipe or fitting. (2) Cutting shall be done in neat and workmanlike manner by a method which will not damage the pipe. All cutting shall be done -by means of a mechanical cutter. (3) Placing and Laying. Before installation, the pipe shall be inspected for defects and rung with a light hammer to detect cracks. Any defective, damaged or unsound pipe shall be rejected. (4) Mechanical Joints. Both spigot ends and bells of pipe and rubber gaskets shall be cleaned thoroughly with soapy water to remove all foreign matter which will damage the gaskets. The gaskets may be either plain or rubber, metal tipped, duck tipped, "Thiokol" tipped, or other special type. The cast iron gland shall be placed on the pipe with its raised lip facing the spigot end and at least 3-1/2 inches from that end. The spigot shall be inserted in the socket until it is "home." The gas- ket shall then be pushed into position with the fingers, making sure that it is evenly seated in the socket. Place the gland against the face of the gasket, insert the tee head bolts and tighten the nuts and all bolts by opposite pairs until they are fingertight. The bolts shall then be tightened in a similar manner until they are snug and bearing evenly against the gland around the circumference of the pipe. All nuts shall be tightened with a suitable torque limiting wrench. The torque for var- ious sizes of bolts shall be as follows: 2C-2 Size (Inches) Range of Torque (Ft. -Lb.) 5/8 50 - 60 3/4 60 - 90 1 70 - 100 1-1/4 90 - 120 Nuts spaced 180° apart shall be tightened alternately in order to produce an equal pressure on all parts of the gland. (5) Slip -Type Rubber Gasket Joints. Cleaning of the gasket, gasket recess, socket and plain end of the pipe shall precede the joining of the pipe. All dirt or foreign matter shall be removed. Insert the rubber ring gasket into the gasket recess in the pipe socket. A thin film of lubricant, as supplied by the manufacturer, shall be applied to the gasket and/or the plain end of the pipe. After lubrication the plain end shall then be lifted and started into the socket so that it is in contact with the gasket. When pipe is cut in the field, the cut plain end shall be tapered back approximately 1/8 -inch at an angle of 30 degrees with the centerline of the pipe. This shall be done with a coarse file or portable grinder, and all sharp, rough edges shall be removed. The joint shall be made up by exerting sufficient force on the entering pipe so that the plain end is moved past the gasket until it makes contact with the base of the socket. Force to push "home" the plain end may be exerted by crow -bar leverage method, fork -tool method or jack method. 2C-3 b. Exterior Protection for Ductile Iron Piping. Prior to installation, damaged exterior coatings of ductile iron pipe, and fit- tings shall be repaired with a coat of Rockote Black Mastic No. 612 Medium, or approved equal. ' S. Testing. (1) Gravity Sewer Lines shall be tested using air pressure equipment. In general the equipment shall consist of movable bulkheads ' which will isolate sections of the pipeline between any two adjacent manholes. Air shall be supplied to the test section so that the pressure inside the pipe is approximately 4 psi. The air supply at this point shall be throttled so that the internal pressure in the pipe is main- ' tained between 4.0 and 3.5 psi to allow temperature stabilization. After temperature has stabilized, air shall be bled from the test section until a pressure of 3.5 psi is indicated by the pressure gauge. At 3.5 psi a ' stop watch shall be started to determine the time required for the pres- sure to drop to 2.5 psi. If the time required for the pressure to drop from 3.5 to 2.5 psi is greater than shown in the following table, the test section shall be presumed free from defects. 2C-3 MINIMUM TIME TABLE Pipe Diameter 6" $n Minimum Time for Pressure to Drop from 3.5 to 2.5 psi Minutes 3 3 Seconds 10 57 If the pressure drops from 3.5 to 2.5 psi in a shorter period of time than listed above, the point of leakage shall be determined, repaired and the pressure test reapplied until acceptable results are obtained. (2) Water Lines. All joints in pressure pipelines shall remain exposed until the pipe has been pressure tested at 150 psi for a minimum of 30 minutes. When all joints being subjected to test are found tight at this excess pressure, the test may be stopped and backfilling commenced. (a) Leakage is defined as that amount of water necessary to be added to the pipeline to maintain the specified test pressure dur- ing the entire 30 minute period. (b) Permissible Leakage. Leakage shall not exceed 0.5 ' gallon per 100 pipe joints per inch nominal diameter of the pipeline, during a 30 minute test period. If any valved section of pipe shows greater leakage than specified, CONTRACTOR shall locate and repair the leaks, and may be required to retest the line at no additional cost to OWNER. 6, LAMPING COMPLETED LINES. Completed sewer lines will be lamped between manholes to ensure that they are free from obstructions and have been constructed to uniform grade and proper alignment. Poor alignment, displaced joints, obstructions and other defects shall be repaired or corrected by CONTRACTOR at no additional cost to OWNER. 7. TELEVISION INSPECTION. At OWNER's option, all gravity sewer lines installed under this contract may be inspected with a television camera to examine the pipeline for cracks, faulty joints or other defects in the pipelines. Television inspection will be performed by a firm selected by OWNER and shall not be the responsibility of CONTRACTOR constructing the sewer lines. All television inspection shall be performed following air testing and prior to acceptance of the work by OWNER. Each defect dis- covered during the television inspection shall be documented with a still photograph accurately showing the defect and identifying its location. All defects discovered during the television inspection shall be repaired by CONTRACTOR at no additional expense to OWNER. Repaired defects may be reinspected with television equipment at OWNER's option. Additional defects and/or faulty repair work discovered during reinspection shall be corrected by CONTRACTOR at no additional expense to OWNER. 2C-4 8. INFILTRATION TESTING. Infiltration of groundwater into newly con- structed gravity sewer lines shall not exceed 100 gallons per day per inch of nominal pipe diameter per mile of pipeline. Where evidence of infiltration is discovered by OWNER, CONTRACTOR shall install weirs or other suitable flow rate measuring devices to determine the infiltration flow rate. Where the infiltration flow rate exceeds 100 gallons per day per inch of nominal pipe diameter per mile of pipeline, CONTRACTOR shall install additional flow rate measuring devices adequate to determine, to the satisfaction of OWNER, which section of pipeline is exceeding the limits. Where the specified infiltration limit is exceeded, CONTRACTOR shall repair or replace the defective section of pipeline at no addi- tional cost to OWNER. Following repair of defective section of pipeline CONTRACTOR shall remeasure infiltration flow rates and make additional repairs until an acceptable infiltration flow rate is achieved. 9. BLOCKING FITTINGS. All tees and plugs and all bends exceeding 11-1/4 degrees on buried water lines shall be backed up with concrete to prevent the pressure from displacing the fitting. Concrete blocking shall be installed to the general shape and to the minimum dimensions shown on the Drawings. Bearing pieces shall be poured in place between the fittings and solid earth backing in such manner that the joint bolts may be loosened and the fitting removed without being damaged. Concrete shall be formed, or partially formed, if required to keep bolts free. 10. CONNECTION TO EXISTING MAIN. At location indicated on the Drawings, CONTRACTOR shall connect the new extension into the existing transmission main, using appropriate fittings as required. Contamination of the existing system shall be avoided by elimination of water from the muddy trench and the liberal use of approved disinfectant introduced into the opened pipe line and into new fittings or pipe. In no case shall water from the new extension be allowed into the existing system prior to chlorination and flushing of the extension as hereinafter specified. 11. FLUSHING AND CHLORINATION. Before being opened to service, newly laid pipe shall be flushed, disinfected and reflushed. The introduction of water into new extensions shall be planned carefully to prevent back- flow into any portion of the existing system. Disinfection of new pipe- lines shall consist of: introducing into the lines a chlorinated solution to obtain a chlorine residual not less than 50 ppm in the filled pipeline; provide a contact period of not less than 8 hours; and free chlorine residual, at the end of contact period, of not less than 10 ppm at any chosen test point. Following chlorination, all treated water shall be flushed from the system. 12. INTERSECTION WITH SANITARY SEWERS. Where new treated water lines cross beneath existing sanitary sewer lines or where there is less than 2 feet of earth between the bottom of the new water line and the top of an existing sanitary sewer line, the sewer line shall be encased in con- crete for a distance of 10 feet on either side of the water line. If an item for concrete encasement is not included in the proposal, a unit price will be negotiated. 2C-5 II II II 1 13. SEPARATION OF POTABLE WATER MAINS AND SANITARY SEWERS. a. Water Mains Paralleling and Crossing Sewer Lines. When pota- ble water pipes and sanitary sewers are laid parallel to each other, the horizontal distance between them shall be not less than 10 feet. The laying of water pipes and sanitary sewers shall be in separate trenches with undisturbed earth between them. When a water pipe and a sanitary sewer cross and the sewer is two feet or more (clear space) below the water pipe, no extra protection to the latter is needed. At all other crossings, the sewer is to be constructed of either cast iron pipe with leaded joints or approved plastic pipe with bonded joints for a distance of 10 feet in either direction from the crossing. Joints are not to be in the immediate vicinity of the water main and as far from it as practicable. Where water mains are laid across or through an area where there are existing sewers and the extra protection is needed, the exist- ing sewers may be encased in concrete with a minimum of 6 inches thick- ness for the required distance on each side of the crossing. b. Water Services and Building Sewers. The same horizontal separa- tion requirements as listed above apply to water service lines and building sewers. The same vertical distance separations and the extra protections as required above for potable water mains and sanitary sewers apply in the same manner to water service pipes and building sewers. C. Sewer Connections. There are to be no physical connections between any parts of the potable water system with building sewers, sani- tary sewers or wastewater treatment facilities by means of which it would be possible for sewage, even under exceptional circumstances, to reach the wells, storage reservoirs, or distribution system, and thus contaminate the water supply. 14. SEPARATION OF WATER MAINS AND POLLUTION SOURCES. It is of utmost importance that potable water lines be protected from any source of pol- lution. The following shall pertain to instances where individual or industrial septic tanks and tile absorption fields, waste stabilization ponds, wastewater lines discharging into roadside ditches, feedlots, or other sources of pollution are encountered. a. A minimum distance of 25 feet shall be maintained between all potable water lines and all septic tanks, waste stabilization ponds or open sewage discharge locations. b. Under no.circumstances shall a water line extend through a septic tank Tile absorption field, or feedlot. All water lines shall be located a minimum of 25 feet from the farthest known extent of any sewage absorption. C. A minimum horizontal distance of 10 feet shall be maintained between parallel water and sewer lines. d. When it is necessary for any water line to cross a sewer line, the sewer line shall be constructed of cast iron or plastic pipe 10 feet either side of the water line unless the water line is at least 2 feet clear distance above the sewer line. 2C-6 ' e. When it is necessary for any water line to cross a sewer drain including an open drain ditch, the sewage flow shall be encased in a cast iron or approved plastic pipe for at least 10 feet on each side of the water main. f. Under no condition will it be considered that encasement of the ' water main through an area of real or potential pollution would provide the protection needed to the water supply. 15. FIRE HYDRANTS shall be of the post style compression type, conform- ing to AWWA Specification C502. Suitable for 150 pound working pressure; tested and guaranteed for 300 pounds pressure. All hydrants shall have a 5 -inch valve opening with 6 -inch inlet. All hydrant outlets shall be pro- vided with nozzle caps which will be secured to hydrant barrel with non - kink chain. The nut on each cap shall be identical in size and shape as the pentagonal shaped hydrant operating nut. The nozzle thread shall be the National Standard Fire Hose Coupling Screw Thread. The operating nut shall be open left and shall be made of ductile iron. The hydrant drain system shall be sealed and will automatically flush with each hydrant operation. Each hydrant shall have a safety traffic flange and safety stem coupling which allow the hydrant barrel to be rotated 360 degrees, so that pumper nozzle will face the street. All fire hydrants shall be equipped with a weather cap attached to the operating nut. Each hydrant shall include an effective oil reservoir for lubrication of the stem threads and bearing surfaces. The valve seat, drain ring or shoe bushing, and drain channel shall be bronze. The internal surface of the shoe shall be epoxy coated. a. Fire hydrants shall be Mueller Catalog No. A423. All hydrants ' shall be installed at the proper depth to insure the correct five foot "bury" depth. Extensions shall be used if necessary for correct "bury" depth. ' b. A resilient seat/wedge is to be furnished with each hydrant. The hydrant inlet connection shall be a flanged fitting and the valve flange shall be bolted directly to the hydrant inlet flange. C. All fire hydrants shall be furnished with two 2 -1/2 -inch hose nozzles, and one 4 -1/2 -inch pumper nozzle. d. The barrels of all hydrants above the ground line shall be painted OSHA High -Visibility Yellow. The caps and bonnets shall be painted an appropriate color to indicate the amount of hydrant flow and available water. These colors will be determined by the Salina Fire Department after the hydrants have been flow tested. ' e. All fire hydrants shall be installed in accordance with the City of Salina, Kansas Standard Specifications. 16. RESILIENT SEAT/WEDGE VALVES shall conform to AWWA C509, 150 pound working pressure, iron body, nonrising stem, double 0 -ring seals, and be equipped with square wrench nut. Flanges shall be faced and drilled to 2C-7 American 125 lb. standard. Stem and stem nuts shall be solid bronze. The interior and exterior surfaces of the valve shall be protected with epoxy coating. a. Valve Boxes shall be cast iron extension type of suitable length for location; inside diameter not less than 5 inches; minimum thickness of metal not less than 3/16 -inch; painted inside and out with a good asphalt paint; equipped with removable cast iron covers. Boxes shall be installed on all underground valves with top flush with or slightly above proposed finished grade. b. Extension Stems shall be standard extension stem of dimensions required to extend valve stem to required elevation; designed to operate respective valve; complete with coupling and operating nut. Extension stems for underground valves equipped with valve boxes shall be of such length as to extend within 18 to 24 inches from top of valve box and shall be provided with washers or centering plates to facilitate use of operating wrenches. S. Operating Wrench. One required to fit operating nut on exten- sion stem. 17. FIRE HYDRANT BARREL EXTENSIONS shall be Mueller Catalog No. A-320. The barrel extension shall include: barrel extension; steel stem coupling; stainless steel clevis pins and cotter pins; solid flange; gasket; bolts and nuts; and hydrant lubricating oil. 18. DOUBLE STRAP SERVICE CLAMPS shall be Mueller Catalog No. H-16130 for 8 -inch pipe and H-16137 for 12 -inch pipe. The service clamps shall be bronze construction with Mueller (CC) thread. 19. CORPORATION STOPS shall be Mueller Catalog No. H-15000. 2C-8 �i 1 DIVISION 3 - CONCRETE ' SECTION 3A - CAST -IN-PLACE CONCRETE 1. GENERAL. CONTRACTOR shall furnish and place concrete for slabs, structures, and any other concrete shown on the drawings, and shall perform all incidental work required to complete the item. 2. COMPOSITION. Cement, aggregate and water proportioned and mixed to produce a plastic, workable mixture in accordance with these specifications and suitable to the specific conditions of placement. 3. PORTLAND CEMENT. ASTM C 150, Type I or II (latest edition). Only one brand of cement shall be used. 4. AGGREGATE. Concrete aggregates shall conform to Specifications for Concrete Aggregates ASTM C 33. 5. WATER. Fresh, clean and free from injurious amounts of oil, acid, alkali or organic matter. 6. ADMIXTURES. An air entraining admixture (ASTM C 260) shall be used in all concrete: Do not use any other admixture without the approval of OWNER. 7. PROPORTIONS. Each cubic yard of concrete shall contain not less than ' 6.0 sacks of cement. The total water content per sack of cement shall not exceed 6 gallons. The exact proportions of all materials entering into the concrete shall be as directed. The compressive strength of the concrete 1 shall be 4,000 psi at 28 days. Total air content by volume ,shall be from 4 to 8 percent. S. FORMS. Construct mortartight forms of suitable materials to provide. surfaces free from surface irregularities; true to lines, grades and dimensions shown on the drawings; rigid and properly braced to prevent movement or distortion; internal ties so arranged that metal will not show or discolor ' the concrete surface. Design forms to permit proper installation of reinforce- ment; easy placement and manipulation of concrete; and removal of forms without damaging the concrete. Apply water or nonstaining mineral oil to interior surfaces and obtain approval of forms prior to placing concrete. Where practicable, place concrete directly against undisturbed excavated surfaces, without the use of outside forms. ' 9. MIXING. Concrete shall be mixed in an approved power mixer for a minimum mixing time of 1-1/2 minutes for each batch. At the option of CONTRACTOR, and with the approval of OWNER, ready -mixed concrete meeting the requirements of these specifications may be used. 10. PLACING. Concrete shall be placed before initial set has occurred and in no event after it has contained its water content for more than 30 minutes. Concrete shall be deposited upon compacted, damp surfaces, free from running water. Concrete shall be compacted and worked in an approved manner to prevent segregation of the coarse aggregate. 3A-1 11. FINISHING. No special concrete or cement mortar topping course shall be used for slab finish. Slabs shall be brought to a true and even finish by screeding, floating and finishing in such a manner as to produce a dense, smooth impervious surface, free from blemishes. Unless otherwise specified, a steel trowel finish shall be applied. Care shall be taken that no excess water is present when the finish is made. 12. CURING AND PROTECTING. Concrete surfaces shall be kept wet for a period of seven days unless otherwise specifically prescribed by covering with water, an approved water saturated covering, or other approved method which will keep all surfaces continuously wet. Concrete shall be pro- tected, in a satisfactory manner, from injurious action of the sun or cold and freezing weather. 13. REINFORCING STEEL. Install all reinforcement shown on the drawings or as otherwise required. Reinforcing steel shall conform to ASTM A 615, A 616, or A 617, Grade 60. Furnish shop drawings, lists and bending diagrams when required. Remove rust, scale, grease or any coating which might impair bond with concrete. Support reinforcing steel to obtain coverage and minimum spacing, and provide splice lengths as required by American Concrete Institute, Manual of Standard Practice. 14. EMBEDDED ITEMS. Before placing concrete, all oil, rust, scale or other foreign matter shall be removed from the item. 15. PREFORMED EXPANSION JOINT FILLER. Filler shall conform to ASTM D 1751 or ASTM 1752. 16. TESTING. Make at least one strength test, consisting of three speci- mens, for each 100 cubic yards, or fraction thereof, of each mix design of concrete placed in any 1 day. When the total quantity of concrete with a given mix design is less than 50 cubic yards, the strength tests may be waived by OWNER if, in his judgment, adequate evidence of satisfactory strength is provided, such as strength test results for the same kind of concrete supplied on the same day and under comparable conditions to other work or other projects. 17. FINAL. A. Imperfect or Damaged Work or any material damaged before final acceptance shall be satisfactorily replaced at CONTRACTOR's expense and in accordance with all requirements of the drawings and specifications. Removal or replacement of concrete work shall be done in such a manner that the strength will in no way be impaired. b. Cleaning. Forms, equipment, protective coverings and rubbish shall be removed from premises. Finished concrete surfaces shall be left in a clean condition. 3A-2 DIVISIONS 4 THROUGH 16 - NOT USED EXHIBIT A Construction Performance Bond ' Any singular reference to Contractor, Surety, Owner or other party shall be considered plural where applicable. CONTRACTOR (Name and Address): SURETY (Name and Principal Place of Business): ' OWNER (Name and Address): BOND Date (Not earlier than Construction Contract Date): Amount: Modifications to this Bond Form: CONTRACTOR AS PRINCIPAL Company: Signature: Name and Title: CONTRACTOR AS PRINCIPAL Company: Signature: _ Name and Title: SURETY (Corp. Seal) Company: Signature: Name and Title: SURETY (Corp. Seal) Company: Signature: _ Name and Title: (Corp. Seal) (Corp. Seal) EJCDC No. 1910-28A (1984 Edition) Prepared through the joint efforts of The Surety Association of America. Engineers' Joint Contract Documents Committee. The Associated General Contractors of America, and the American Institute of .Architects. PEB-1 CONSTRUCTION CONTRACT ' Date: Amount: Description (Name and Location): BOND Date (Not earlier than Construction Contract Date): Amount: Modifications to this Bond Form: CONTRACTOR AS PRINCIPAL Company: Signature: Name and Title: CONTRACTOR AS PRINCIPAL Company: Signature: _ Name and Title: SURETY (Corp. Seal) Company: Signature: Name and Title: SURETY (Corp. Seal) Company: Signature: _ Name and Title: (Corp. Seal) (Corp. Seal) EJCDC No. 1910-28A (1984 Edition) Prepared through the joint efforts of The Surety Association of America. Engineers' Joint Contract Documents Committee. The Associated General Contractors of America, and the American Institute of .Architects. PEB-1 I. The Contractor and the Surety, jointly and severally, bind themselves. their heirs, executors, administrators. successors and assigns to the Owner for the performance of the Construction Contract, which is incorporated herein by reference. 2. If the Contractor performs the Construction Contract, the Surety and the Contractor shall have no obligation under this Bond, except to par. ticipate inSonferences as provided in Subparagraph 3.1. 3. If there is no Owner Default, the Surety's obligation under this Bond shall arise after. 3.1. The Owner has notified the Contractor and the Surety at its address described in Paragraph 10 below, that the Owner is considering declaring a Contractor Default and has requested and attempted to arrange a conference with the Contractor and the Surety to be held not later than fifteen days after receipt of such notice to discuss methods of performing the Construction Contract. If the Owner, the Contractor and the Surety agree, the Contractor shall be allowed a reasonable time to perform the Construction Con. tract, but such an agreement shall not waive the Owner's right, if any, subsequently to declare a Contractor Default; and 3.2. The Owner has declared a Contractor Default and formally ter- minated the Contractor's right to complete the contract. Such Contractor Default shall not be declared earlier than twenty days after the Contractor and the Surety have received notice as pro- vided in Subparagraph 3.1; and 3.3. The Owner has agreed to pay the Balance of the Contract Price to the Surety in accordance with the terms of the Construction Contract or to a contractor selected to perform the Construction Contract in accordance with the terms of the contract with the Owner. 4. When the Owner has satisfied the conditions of Paragraph 3, the Surety shall promptly and at the Surety's expense take one of the following actions: 4.1. Arrange for the Contractor, with consent of the Owner, to perform and complete the Construction Contract; or 4.2. Undertake to perform and complete the Construction Contract itself, through its agents or through independent contractors: or 4.3. Obtain bids or negotiated proposals from qualified contractors acceptable to the Owner for a contract for performance and com- pletion of the Construction Contract, arrange for a contract to be prepared for execution by the Owner and the contractor selected with the Owner's concurrerice, to be secured with performance and payment bonds executed by a qualified surety equivalent to the bonds issued on the Construction Contract. and pay to the Owner the amount of damages as described in Paragraph 6 in excess of the Balance of the Contract Price incurred by the Owner resulting from the Contractor's default; or 4.4. Waive its right to perform and complete, arrange for completion. or obtain a new contractor and with reasonable promptness under the circumstances: 1. After investigation, determine the amount for which it may be Gable to the Owner and. as soon as practicable after the amount is determined, tender payment therefor to the Owner: or 2. Deny liability in whole or in part and notify the Owner citing reasons therefor. 5. If the Surety does not proceed as provided in Paragraph 4 with reason- able promptness, the Surety shall be deemed to be in default on this Bond fifteen days after receipt of an additional written notice from the Owner to the Surety demanding that the Surety perform its obligations under this Bond, and the Owner shall be entitled to enforce any remedy available to the Owner. If the Surety proceeds as provided in Subparagraph 4.4, and the Owner refuses the payment tendered or the Surety has denied liability, in whole or in part. without further notice the Owner shall be entitled to enforce any remedy available to the Owner. 6. After the Owner has terminated the Contractor's right to complete the Construction Contract, and if the Surety elects to act under Subparagraph 4.1.4.2, or 4.3 above, then the responsibilities of the Surety to the Owner shall not be greater than those of the Contractor under the Construction Contract, and the responsibilities of the Owner to the Surety shall not be greater than those of the Owner under the Construction Contract. To the limit of the amount of this Bond, but subject to commitment by the Owner of the Balance of the Contract Price to mitigation of costs and damages on the Construction Contract, the Surety is obligated without duplication for: 6.1. The responsibilities of the Contractor for correction of defective work and completion of the Construction Contract: 6.2. Additional legal, design professional and delay costs resulting from the Contractors Default, and resulting from the actions or failure to act of the Surety under Paragraph 4; and 6.3. liquidated damages, or if no liquidated damages are specified in the Construction Contract, actual damages caused by delayed performance or non-performance of the Contractor. 7. The Surety shall not be liable to the Owner or others for obligations of the Contractor that are unrelated to the Construction Contract, and the Balance of the Contract Price shall not be reduced or set off on account of any such unrelated obligations. No right of action shall accrue on this Bond to any person or entity other than the Owner or its heirs, executors, administrators, or successors. g. The Surety hereby waives notice of any change, including changes of time, to the Construction Contract or to related subcontracts, purchase orders and other obligations. 9. Any proceeding, legal or equitable, under this Bond may be instituted in any court of competent jurisdiction in the location in which the work or part of the work is located and shall be instituted within two years after Contractor Default or within two years after the Contractor ceased work- ing or within two years after the Surety refuses or fails to perform its obligations under this Bond, whichever occurs first. If the provisions of this Paragraph are void or prohibited by law, the minimum period of limitation available to sureties as a defense in the jurisdiction of the suit shall be applicable. 10. Notice to the Surety, the Owner or the Contractor shall be mailed or delivered to the address shown on the signature page. 11. When this Bond has been furnished to comply with a statutory or other legal requirement in the location where the construction was to be performed, any provision in this Bond conflicting with said statutory or legal requirement shall be deemed deleted herefrom and provisions con- forming to such statutory or other legal requirement shall be deemed incorporated herein. The intent is that this Bond shall be construed as a statutory bond and act as a common law bond. 12. Definitions. 12.1. Balance of the Contract Price: The total amount payable by the Owner to the Contractor under the Construction Contract after all proper adjustments have been made, including allowance to the Contractor of any amounts received or to be received by the Owner in settlement of insurance or other claims for dam. ages to which the Contractor is entitled, reduced by all valid and proper payments made to or on behalf of the Contractor under the Construction Contract. 12.2. Construction Contract: The agreement between the Owner and the Contractor identified on the signature page, including all Contract Documents and changes thereto. 12.3. Contractor Default: Failure of the Contractor. which has neither been remedied nor waived, to perform or otherwise to comply with the terms of the Construction Contract. 12.4. Owner Default: Failure of the Owner, which has neither been remedied nor waived, to pay the Contractor as required by the Construction Contract or to perform and complete or comply with the other terms thereof. (FOR INFORMATION ONLY—Name, Address and Telephone) AGENT or BROKER: OWNER'S REPRESENTATIVE (Architect, Engineer or other party): PEB-2 U) W O z Z O U D crF- cn z O U } mN LLI � J Fr p m (n W w U 0 W F- U cr W � W S , Z U z gg' w z J F- w Z U � J a m N = Q > W U o N Z 0 F- O w N w N Z D: 0 Q N W Z O U Q 0 w N Z ~v~i z Fw- g I- Z F 3 3 J m a > w..F_ m m W D0„ SO a- W w w J m W m Q_J Z m z S_- o r w N a O of > a 2 a W 3 a W 3 4. 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