2024 Design and Construction Standards - Section 8 - Certifications, Submittals, and Inspections

10 SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 1 Certifications 11 General A The Owner or Developer’s Engineer shall check , and approve all construction drawings and shall complete all reports and fill out all permit and encroachment applications prior to submittal to the County B The Engineer shall be duly licensed in North Carolina C Any Contractor s performing utility construction must be a North Carolina Licensed Utility Contractor 2 Submittals 21 Plan Approval A Plans , specifications , and applications for the facilities must be submitted to the County Utility Department and approved in writing 1 Plans shall include a vicinity map and the owner’s name and address Notwithstanding the County’s approval , the County accepts no liability or responsibility for any errors or omissions in the construction documents The Utility Department requires 2 sets of plans and specifications A review fee shall be charged and paid prior to County review 2 If the project will be a retail water customer of Johnston County , it is not necessary to submit plans and specifications to Public Water Supply Johnston County will issue the approval for the water distribution system plans and specifications Digital copies in PDF format of the permit application current permit used for Public Water Supply , an engineer’s report , and a fire flow certification must be submitted with the plans and specifications 22 Preconstruction Meeting A A pre - construction conference shall be scheduled prior to the beginning of construction which shall be attended by the Owner or Developer , the Engineer , all Contractors , representatives of the County , and if applicable , representatives of local utility companies , the NC Department of Transportation , and NCDENR - Land Quality Division , and possibly others At the pre - construction conference a project schedule shall be provided to the County which shall be kept current and amended from time to time with submittals to the County B Copies of the approved Division of Environmental Health construction permits projects to be provided water service by entities other than Johnston County , DWQ Non - Discharge permits , and Land Quality Division of sedimentation and soil erosion permit must be submitted to the County prior to beginning construction C An approved copy of any three - party DOT encroachment agreements must be submitted to the County prior to construction D If the proposed project disturbs more than one acre or creates more than 17,000 square feet of impervious area , a Stormwater Management Plan must be approved by Johnston County prior to any land disturbing activity Section 8 - 1 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPageSECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS E Easement , land instruments and plans that convey rights to the County upon completion of construction must be recorded prior to construction with copies provided to the County 23 Material Submittals A For pumping stations , meter vaults , generator systems , all materials , and other related equipment ; copies of shop drawings and certifications shall be submitted to the County Utility Department for approval contemporaneously with the private entity’s consulting engineer’s approval Three 3 sets of submittals are required with a minimum of 15 working days to review and approve Path study required in submittals B Two 2 copies of operation and maintenance manuals for pumping stations , meters , etc shall be submitted to the County prior to completion of construction and startup , one electronic , one hard copy 24 Utility Acceptance Submittals A Prior to acceptance , developer must submit engineer’s certification , copies of all test reports , as - built drawings please see as - built requirements below and construction documentation of the utility , contractors ’ lien waivers , certification of construction cost , and field verification of all marker balls on pipelines before County will accept operation and maintenance responsibility and ownership Retail users shall not be provided service until the County accepts the facilities B As - Built requirements 1 Submit an As - Built record drawing Construction document designed and certified by a professional certified engineer whom has periodically monitored the project throughout construction 2 The surveyed “ As - Built ” record drawing shall be clearly titled and labeled , as applicable , for all Water and Sewer Utilities on a 24x36 inch layout a “ As - built ” date b Project title c Page numbering d North arrow e Scale of drawing f Scale bar g Permit numbers h Engineer of Record i Street names and dimensions j Vicinity map k Overall utility plan l Parcel information in the project area labeled with PIN m All easements identified and dimensioned Section 8 - 2 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPageSECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS n Pipe size o Pipe material p Pipe length q Length of bore and jacks r Fitting & type s Valve & type t Hydrants u FDC’s v Meter boxes w Backflow preventers x Blow - offs y Air release valves z Service stubs aa Manhole size bb Rim elevations cc Inverts dd Top elevations ee Manhole depth ff Gravity sewer slope gg Coating types hh Lining types ii Cleanouts jj Wet wells kk Valve vaults ll Master meter vaults mm Abandoned and or removed features nn Any connection to an existing utility oo Any other relevant information 3 CAD file shall be of DWG , DGN , DXF , or SHP format 4 Plans shall be delivered as a PDF or physical copy 5 Digital as - built data submittals shall be emailed or on a USB drive Email or cover letter associated shall have the following items listed a Project name b Name of firm which prepared the data c As - built date , as depicted on submittal d Permit number s C Other Documents & Standards 1 Survey text file a Comma - delineated text file or Microsoft Excel file of survey information Section 8 - 3 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPageSECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS b Shall have the following information i Feature type ii X coordinates iii Y coordinates iv Z coordinates v Size vi Description vii Format and additional placeholders shall be coordinated with current GIS Asset Management Coordinator 2 CAD file a NAD83 horizontal datum b NADV88 , geoid 03 or later vertical datum c All items shall be in “ model space ” on NC State Plane grid d Shall be in US feet 3 SHP format and placeholder data shall be coordinated with current GIS Asset Management Coordinator 4 Completed Water Utility Construction Engineer Certification a To include Engineer Certification Statement i I , ___________ , as a duly registered Professional Engineer in the State of North Carolina , having been authorized to observe _periodically , _weekly , _full time the construction of the project , _______ , hereby state that , to the best of my abilities , due care and diligence was used in the observation of the construction such that by my inspection of the constructed improvements and my review of the as - built survey data , I hereby certify that the l public improvements , 2 private improvements , and 3 public safety of the above referenced project as constructed are in compliance with the requirements of the improvements as prescribed in the approved Construction Drawings , approved design documents , and or any approved modifications , except as noted in red on the As - Built drawings Furthermore , I certify that the red - noted exceptions do not adversely affect the required performance or public safety aspects of the improvements Name ________________________ Date ____ NCPE Seal 5 Recorded Plat indicating any and all necessary easements 6 Lien waver from the utility contractor 25 CMMS CHECKLIST A As - built B Vicinity Map C Path study Section 8 - 4 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPagePage pageNumber5SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS D All pipe sizes , length , and material are shown and indicated E All valves make sure these are shown on drawing F Road clearly marked or a good vicinity map G Outfall Sewer manholes to have north and eastings H Easements I 1 Paper and 1 Electronic Copy of Operation Manuals J Electrical Controls K Radio Path Study please see below L Serial # ’ s of all the parts M Separate Submittal for Scada poles goes under pump stations , put in submittal section N Automatic Flushers Manufacturer , Model and size O Check Valves size , length , brand and model P Flow meters Manufacturer , Model and serial Number Q Grinders Manufacturer , Model and serial Number R Carbon Units Manufacturer , Model and serial Number S Barscreen Manufacturer , Model and serial Number T Master , Meters , & Meters Manufacturer , Model and serial Number U Pumps Manufacturer , Model serial Number , Voltage speed horsepower cord length , inner seal outer seal , Frame , GMP and Head V Motors Manufacturer , Model serial Number , Voltage speed horsepower CODE , Frame , RMP W Meter Vaults Manufacture size and Serial Number X Altitude Valve Manufacture model Serial Number Size and Code 26 Electrical Equipment CMMS Inventory A Site Name B Service Voltage , Amperage , Type { 3phase , WYE , Delta , High Leg , etc } C Main Disconnect Rated Voltage , Rated Amperage , Fused Non - fused , If Fused Brand , PN D Transfer Switch Automatic Manual , Brand , PN , Volt , Amps , Fused Fuse Brand , PN E Primary Power Panel Equipment ID , Rated Voltage , Rated Amperage , Brand , PN F Transformer Equipment ID , Brand , PN , KVA , 1Phase 3Phase G Secondary Power Panel Equipment ID , Rated Voltage , Rated Amperage , Brand , PN H RTU Equipment ID , Battery backup power rating , PLC Brand , PLC PN , HMI BRAND , HMI PN , Radio Brand , Radio PN I Communications Pole Length J Coax Brand , Type PN K Antenna Brand , Type PN L Pump Control Panel Equipment ID , Panel MAX HP Rating , Pump HP Rating , Number Section 8 - 5 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPagePage pageNumber6SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS of Pumps , Starting Type RVSS VFD LINE , Starting Type Normal Duty Rating Amps , Starter Contactor Size AMP NEMA rating if applicable M External Pump control equipment [ All that apply ] Cutoff Float , Off Float , Lead Float , Lag float , High Well float , Pressure transmitter Brand PN , ultrasonic transmitter Brand PN , Bubbler system N MCC [ As applies external to Pump Control Panel If more than 1 MCC then more than one MCC should be Provided ] Equipment ID , Description , Max HP Rating , Actual HP rating , Number of Pumps , starting type VFD RVSS Contactor , Starting Type Normal Duty Rating Amps , Starter Contactor Size AMP NEMA rating a External MCC control equipment [ All that apply ] Cutoff Float , Off Float , Lead Float , Lag float , High Well float , Pressure transmitter Brand PN , ultrasonic transmitter Brand PN , Bubbler system 3 Inspections 31 The County’s approval of plans and technical specifications shall constitute approval for the County’s representative s to visit the project construction site at the convenience of the County to make inspections of the work in progress 32 The Owner’s Engineer shall conduct , as a minimum , periodic inspections during construction and shall provide copies of written inspection reports and memoranda to the County 33 Copies of the private entity’s daily inspection reports shall be submitted to the County along with copies of any construction testing results , eg soil compaction , concrete , asphalt , etc on a monthly basis 34 The Owner or Developer , or the Engineer shall report any deviations from the approved plans immediately to the County Any changes to the work or deviations shall be subject to the County’s approval 35 The Owner or Developer , or the Engineer shall be responsible for coordinating and scheduling all contractors ’ and subcontractors ’ work 36 Testing required during construction shall consist of at least the following A Pressure testing shall conform to the requirements of ANSI C600 B Water main pressure testing and allowable leakage testing C Water main bacteriological testing D Fire flow test s must be witnessed by the County E Sanitary sewer line and manhole infiltration exfiltration testing including air testing and vacuum testing , respectively Section 8 - 6 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPagePage pageNumber7SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS F Sanitary sewer video – including laterals G Sanitary sewer line deflection testing PVC piping only H Force main pressure testing I Pump station wet well subgrade tests J Pump station and generator startup tests 37 All tests must be witnessed by a representative of the County and the Owner Developer’s Engineer 38 The County reserves the right to charge re - inspection fees for excessive failed pressure tests 39 The County’s representative shall be present for all start up and check out of pumping stations , master meters , and generator systems 310 The Owner or Developer’s Engineer shall perform a pre - final inspection upon completion of all work and shall prepare a pre - final remedial worklist Following completion of all work on the pre - final remedial worklist or punch list , a final inspection shall be scheduled which shall be conducted by the County in the presence of Owner Developer , Contractor s , and the Engineer Upon completion of all inspections , the Engineer shall submit a written certification that all work has been installed and complies with the approved plans and specifications 311 The designated County Representative shall be notified a minimum of 24 hours in advance of each of the above events 312 In the event the Owner Developer’s Engineer does not carry out adequate observation and inspections , the County reserves the right to deny acceptance of the completed utilities for ownership , operation , and maintenance 313 If during the process of routine inspection of improvements being installed under these rules , it is found that improper or substandard materials or construction methods are being used or if significant deviation from approved construction plans is detected , then the County may assign a special utility inspector to the project A The inspector shall have authority to act on behalf of the County in checking all improvements for compliance with County standards He shall also have authority to halt any work not meeting County specifications B Once assigned , an inspector shall perform a minimum of three 3 hours of on - site inspections per work day , and the cost of this inspection shall be charged by the County to the project owner at the actual cost of inspections Section 8 - 7 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPagePage pageNumber8SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 314 The County shall inspect the sub - base of all wet wells prior to setting the wet well base 315 The facilities shall not be accepted by the County until the County completes a detailed final inspection and all items , if any , of remedial work on the project are completed as noted by the County RADIO PATHLOSS DOCUMENTATION STATION INFO SITE 1 Endpoint SITE 2 Gateway Station Name Latitude N Longitude W True Azimuth ° Vertcle Angle ° Ground Elevation Ft PATHLOSS SOFTWARE MODEL Structure Height Ft Antenna Model Antenna Gain dBi Frequency MHz Polarzation Path length mi Free Space Loss dB Net Path Loss dB Radio Model TX Power dBm RX threshold level dBm Receive Signal dBm Thermal Fade Margin dBm PHYSICAL STUDY Final Test Height Ft Antenna Model Antenna Gain dBi Frequency MHz Radio Model TX Power dBm Signal dBm Noise dBm VSWR TX RX Conditions Circle Clear Cloudy Rain Morning Afternoon Evening Humidity Low Hi Vis High Low Vis Fog Low Vis Test Performed By DATE Recommended Structure Pole Height Ft Above grade Section 8 - 8 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPagePage pageNumber9SECTION 8 – CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS Additional Hardware Height Ft Above Structure Pole ATTACH ANY ADDITIONAL INFO GRAPHS TO THIS DOCUMENT This sheet must be submitted to Owner for approval 1 Physical study may be done in place or in addition to a software study 2 Pathloss Software must take into account latest available terrain information including height approximation for Trees and Buildings 4 5 END OF SECTION Section 8 - 9 CERTIFICATIONS , SUBMITTALS , AND INSPECTIONS 2024 RevisionPage