INSPECTION AND TESTING REQUIREMENTS IN THIS SECTION

Transcription

1 INSPECTION AND TESTING REQUIREMENTS IN THIS SECTION IT-1 General Provisions IT-2 Streetscape IT-3 Reserves IT-4 Transportation Network IT-5 Stormwater IT-6 Wastewater IT-7 Water Supply IT-8 Public Lighting IT-9 Network Utilities

2 INSPECTION AND TESTING REQUIREMENTS IT-1 GENERAL PROVISIONS TABLE OF CONTENTS IT-1.1 General...1 IT-1.2 Minimum Requirements...1 IT-1.3 Applying for Inspections/Tests...2 IT-1.4 Asset Inspection/Testing Requirements...3 IT-1.5 Random Inspections...4 IT-1.6 Final Inspection...4 IT-1.7 Liability...4

3 IT-1 GENERAL PROVISIONS IT-1.1 General The Consent Holder's Representative or the Engineer are responsible for ensuring that the formal inspections/testing is undertaken in accordance with the IDC. Council also undertakes random informal inspections during the course of the works. Council attends these inspections/tests: a) As a co-stakeholder of infrastructure development with the emphasis on the construction of quality assets that will be vested in Council ownership and/or private assets that connect to and therefore have an effect on public assets. b) To ensure good industry practice that benefits all stakeholders, especially the general public and to ensure the quality, longevity and maintenance of the assets in the future. Development Works Type 1 Process a) Unless notified otherwise in the Development Works Approval, Type 1 developments require the following 2 inspections: i) A pre-backfill inspection for all services intended for Council ownership. ii) The Final Inspection. b) Usually, no formal testing of services is required for smaller developments where the only assets being created are service connections or short laterals or connections to reticulation mains. c) Testing is required where the services being constructed involve reticulation mains, ridermains, manholes or the like. In these cases testing shall be undertaken in accordance with IT-1.4 Asset Inspection/Testing Requirements. d) The final inspection will ensure that assets constructed meet the required standards. Type 2 Process a) Unless notified otherwise in the Development Works Approval, Type 2 developments shall undertake the inspections and testing in accordance with IT-1.4 Asset Inspection/Testing Requirements and IT-1.6 Final Inspection. Capital Works a) Refer to the contract documents for testing requirements. Inspections and tests organised or undertaken by the Project Engineer shall be as provided for by this section of the IDC. IT-1.2 Minimum Requirements a) As a minimum, Council will undertake formal inspections/tests as referenced within this section of the IDC. Updated 01/07/2014 Page 1

4 IT-1 GENERAL PROVISIONS b) In some cases additional inspections/tests may be required. These additional inspections/tests will be outlined in the Development Works Approval or requested when unforeseen circumstances arise or to resolve a difference of opinion. These additional inspections/tests will be advised by Council where required. c) Council will not attend any formal inspections/tests where the work to be inspected/tested has not been pre-inspected/tested and confirmation provided to Council that the inspection/test is ready for formal inspection/test. Where work to be inspected/tested is not ready for inspection/testing or the equipment required for the inspection/testing is not on site then Council staff will leave the site and only return when the work is ready for inspection/testing. d) Where Council arrives for a formal inspection/test and that inspection/test is deemed "not ready" to be undertaken, Council reserves the right to cancel the inspection/test and require it to be re-scheduled. e) Council will charge associated costs to the Consent Holder for any inspection/test attended that is deemed not ready and for any re-testing/re-inspection where inspections/tests have previously been failed. f) The requirements for application for re-inspection/re-tests are the same as for the requirements for the initial inspection/test. Where the Consent Holder's Representative fails to comply with these provisions, Council may not: a) Accept the assets for vesting. b) Allow the new infrastructure to be connected to the existing network. c) Issue the s224 for the subdivision. d) Issue building consents or code compliance certificates for any buildings proposing to connect to the infrastructure. IT-1.3 Applying for Inspections/Tests a) Council shall be notified in writing (includes ) by the Consent Holder's Representative or Engineer at least 2 full working days before the formal inspection/test is required. The request to undertake a formal inspection/test shall confirm that the work has been pre-inspected/pre-tested by the Engineer and Contractor and is ready for inspection by Council. b) The request for a formal inspection/test shall be made to the Development Engineer or Council Project Manager assigned to the project. Council will not respond to any request for inspection/test from any party other than the Consent Holder's Representative or Engineer or made to any other staff member other than the assigned Development Engineer or Council Project Manager. c) If no response is received within 2 full working days, the applicant shall call Council to check that Council has received the request. Works may proceed 3 working days after written notification has been sent to Council and no response has been received. Page 2 Updated 01/07/2014

5 IT-1 GENERAL PROVISIONS d) Unless otherwise advised, all equipment required for the formal inspection/test shall be provided by the Consent Holder's Representative on-site and ready for use in the inspection. This includes any equipment required for confined space inspections. Where this equipment is not available on site then the inspection/test will be re-scheduled. An additional fee will be charged to the Consent Holder for Council to return to the site for the rescheduled inspection/test. e) Where Council is unable to attend a formal inspection/test, it may engage a third party to attend on its behalf. Where this occurs the applicant will be notified in writing, confirming what arrangements/reporting Council may require to certify that the works meet the required inspection/testing criteria. Once the required reporting has been received by the Consent Holder's Representative, Council will again notify in writing that the works may proceed. f) To arrange for Council to observe a formal inspection/test, please contact the assigned Development Engineer / Council Project Manager via writing ( ) or phone. Note: All telephone requests for observation require a written request as well. IT-1.4 Asset Inspection/Testing Requirements a) For the requirements of inspection/testing for each different asset group, refer to the following: i) IT-2 Streetscape. ii) iii) iv) IT-3 Reserves. IT-4 Transportation Network. IT-5 Stormwater. v) IT-6 Wastewater. vi) vii) viii) IT-7 Water Supply. IT-8 Public Lighting. IT-9 Network Utilities. b) Unless advised by Council, all equipment required for the formal inspection/testing shall be provided by the Contractor and/or Engineer on-site and be ready for use for the inspection/test. This includes all equipment and requirements for confined space entry. c) Where applicable, all inspections/tests shall be reported on Council's standard inspection/testing sheets and signed by: i) The Contractor s Representative (as the party who constructed the works to be inspected/tested). ii) iii) The Engineer (as the party responsible for the certification of the works). Council s approved representative (as the party acting as co-stakeholder for development of quality assets on Council s behalf). d) Where inspection/testing sheets are not provided, the results shall be formalised in writing by the Engineer and signed as per c) above. Updated 01/07/2014 Page 3

6 IT-1 GENERAL PROVISIONS IT-1.5 Random Inspections Council will, during the course of construction of the development works, undertake recurrent random observation of the development works as well as attend formal milestone inspections and testing. For large scale developments random inspections will occur, on average, at least once per week when construction is being undertaken and once per month at other times. IT-1.6 Final Inspection a) A final inspection and walkover with As-Built plans shall be undertaken once all works are deemed complete. b) The request for final inspection shall confirm that all physical works requiring inspection have been pre-inspected by the Certifying Engineer or Consent Holder's Representative, that all testing has been successfully completed and the site is ready for the final inspection by Council. This inspection is sometimes known as the pre-(s)224c inspection. IT-1.7 Liability Confirmation from Council that a section of development work has passed a formal inspection/test and that work may continue does not free or indemnify the Consent Holder's Representative from certifying that the development works comply with the requirements of the IDC, any Resource Consent condition and good industry practice. Page 4 Updated 01/07/2014

7 IT-1 GENERAL PROVISIONS IT-1 - Appendix A Inspection and Testing Summary Updated 01/07/2014 Page 5

8 IT-1 GENERAL PROVISIONS IT-1 - Appendix A.1 Inspection and Testing Summary Test Specified Undertaken by (IANZ Certified) Descriptor Unit Quantity Number of Tests Required Target Result Requirements TCC Hold Point Check 1 Earthworks All Earth Filling Earthworks Design Provided to Council at either design approval or Development Works Approval phase. NZ Standard Compaction Curve (NZS 4402 Test 4.1.1) Minimum of 2 tests Solids Density Determination IANZ Certified Testing Company IANZ Certified Testing Company Soil type 1 Soil type 2 Soil type 3 Soil type 1 Soil type 2 Soil type 3 N/A N/A N/A N/A N/A N/A Undertaken at the direction of the Geo-Professional. Undertaken at the discretion of the Geo-Professional. Y N N Page 6 Updated 01/07/2014

9 IT-1 GENERAL PROVISIONS Compaction Testing - Primary Nuclear Densometer Test IANZ Certified Testing Company Total volume of fill cu m Minimum 1 per 1000m3 evenly distributed over the area and depth of filling. Minimum 1 per 750mm lift of fill or part thereof Refer to DS Minimum dry density of not less than 95% of the value of the maximum dry density obtained from the laboratory sample. Maximum air voids o 10%. N One Point Proctor Compaction Test IANZ Certified Testing Company To be included as part of Nuclear Densometer Test. Minimum 1 test per 1000m3 of filling evenly distributed over the extent and depth of the filling. A minimum of 1 test per 750mm lift or part there of. Results used to determine Maximum Dry Density. N Compaction Testing - Supplementary Cohesive soils - Undrained Shear Strength Shear Vane. Compaction Testing - Supplementary Non-cohesive soils (sands / pumice) - Scala Penetrometer IANZ Certified Testing Company IANZ Certified Testing Company Minimum 1 test per500m 3 of filling evenly distributed over the extent and depth of the filling. A minimum of 1 test per 750mm lift or part there of. Minimum 1 test per500m 3 of filling evenly distributed over the extent and depth of the filling. A minimum of 1 test per 750mm lift or part there of. 150kPa minimum average over 10 tests. Minimum single strength of 140 kpa. Maximum average of 10% air voids over any 10 tests. Maximum single test of 12% air voids. Target >5 blows per 100mm. Maximum average of 10% air voids over any 10 tests. Maximum single test of 12% air voids. N N Page 7 Updated 01/07/2014

10 IT-1 GENERAL PROVISIONS 2 Streetscape Inspection of plant/tree species Engineer 1 inspection prior to planting Y Street tree inspection Engineer 1 inspection per tree Pass the requirements on IS Tree. N Street garden planting, structures and surfacing. Engineer General inspection of completed gardens, structures and surfaces. Visually in accordance with approved plans and documents. N 3 Reserves Inspection of plant/tree species CHR 1 inspection prior to planting Y Street tree inspection CHR 1 inspection per tree Pass the requirements on IS Tree. N Street garden planting, structures and surfacing. Engineer General inspection of completed gardens, structures and surfaces. Visually in accordance with approved plans and documents. N 4 Transportation 4.1 Subgrade Subgrade design performance criteria Primary Test: Insitu CBR Testing. Tests performed at a minimum of 15m intervals on alternate lanes Alternative: Scale Penetrometer. Non-cohesive soils (sands/ pumice) only. Tests performed in both wheel 10 metre intervals. Alternative: Shear Vane. Cohesive soils (ash) only. Tests performed in both wheel 10 metre intervals. Engineer Provided to Council at either design approval or Development Works Approval phase. IANZ Certified Testing Company IANZ Certified Testing Company IANZ Certified Testing Company Road Length Metres As shown on the plans but if not specified, in cohesive subgrades CBR>7 in non-cohesive subgrades CBR>10. Road Length Metres Required CBR value or >6 blows per 100mm. Road Length Metres >150Pa. N Y N N Page 8 Updated 01/07/2014

11 IT-1 GENERAL PROVISIONS Alternative: Benkelman Beam. Tests performed at a minimum of 15m intervals on alternate lanes. Stringing at not less than 20 metre intervals IANZ Certified Testing Company Road Length Metres As approved and displayed on the approved plans or if not specified then average deflection <4mm. Deflections in excess of 6mm will require remedial action determined by the Engineer. Contractor Road Length Metres Finished subgrade is uniform and smooth with the finished level no more than 0mm above, and 20mm below design level. Geogrid Contractor As instructed by the Engineer Detailed record of geogrid type and locations. Digouts Contractor As instructed by the Engineer Detailed record of digout depth and locations. N N N N Finished subgrade inspection CHR Acceptance of the subgrade and its test results by both CHR and Council. 4.2 Subbase GAP 65 Y Materials Testing Grading/ Sieve analysis within 2 months Sand Equivalent within 2 months Crushing Resistance within 6 months IANZ Testing Company or Quarry Test Data IANZ Testing Company or Quarry Test Data IANZ Testing Company or Quarry Test Data Relevant Stockpile <400m m m3 >4000m3 <400m m m3 >4000m3 <400m m m3 >4000m per per per 1000 Complies with grading limits referenced in IT Sub-base Testing Table 2. Complies with grading limits referenced in IT Sub-base Testing Table 2. Complies with grading limits referenced in IT Sub-base Testing Table 2. Laboratory CBR within 6 months Project 1 Complies with grading limits referenced in IT Sub-base Testing Table 2. N N N N Laboratory Compaction curve within 6 months Project 1 N Page 9 Updated 01/07/2014

12 IT-1 GENERAL PROVISIONS Compaction Testing Compaction Testing. Nuclear Densometer in backscatter transmission mode. Tests performed at 15m intervals on alternate lanes. Stringing not less than 20 metre intervals IANZ Testing Company or Quarry Test Data Contractor/ Engineer Tests performed at 15m intervals on alternate lanes. not less than 20 metre intervals Average 95% MDD minimum 92% MDD (Refer to IT Compaction of Sub-base). Tolerance +0 or -20mm. Sub-base surface is uniform and smooth. N N Sub-base inspection Engineer Acceptance of the sub-base and its test results by both Engineer and Council Y 4.3 Basecourse GAP 40 or AP40 as specified in drawings Materials Testing Grading/ Sieve analysis Within 2 months IANZ Testing Company or Quarry Test Data Relevant Stockpile >400m m m3 >4000m per 1000 Complies with grading limits referenced in IT Basecourse Testing Table 3 and Table 4. N Sand Equivalent Within 2 months Crushing Resistance Within 6 months Weathering Resistance Within 6 months IANZ Testing Company or Quarry Test Data IANZ Testing Company or Quarry Test Data IANZ Testing Company or Quarry Test Data <400m m m3 >4000m3 <400m m m3 >4000m3 <400m m m3 >4000m per per per 1000 Complies with grading limits referenced in IT Basecourse Testing Table 3 and Table 4. Complies with grading limits referenced in IT Basecourse Testing Table 3 and Table 4. Complies with grading limits referenced in IT Basecourse Testing Table 3 and Table 4. N N N Page 10 Updated 01/07/2014

13 IT-1 GENERAL PROVISIONS Laboratory CBR Within 6 months Laboratory Compaction curve within 6 months Compaction testing IANZ Testing Company IANZ Testing Company 1 CBR>80 N 1 N Benkelman Beam total and D250/D0 - Testing at not less than 15 metre intervals alternate lanes Compaction Testing. Nuclear Densometer in backscatter transmission mode. Tests performed at 15m intervals on alternate lanes. Stringing at not less than 20 metre intervals IANZ Testing Company IANZ Testing Company Contractor/ Engineer Road Length Metres As shown on the plans but if not specified, average deflection <3mm. And none >4.5mm. D250/D0 >0.54 for chip seal and 25mm ashphalt, >0.65 for 40mm asphalt and >0.70 for >50mm asphalt. Road Length Metres Average 95% MDD minimum 92% MDD (Refer to IT Compaction of Basecourse) Road Length Metres Tolerance +5mm or -5mm. Basecourse surface is uniform and smooth. Pre-seal inspection Engineer Acceptance of the basecourse and its test results by both Engineer and Council and pass the requirements on IS Pre-seal. 4.4 Surfacing N N N Y Pre-seal inspection Engineer Acceptance of the membrane seal and its test results by both CHR and Council. 4.5 Concrete Y Footpath inspection Engineer Acceptance of the formwork and footpath subgrade by both CHR and Council. Vehicle Crossing inspection Engineer Acceptance of the basecourse and its test results by both CHR and Council and Pass the requirements on IS-4.1 Vehicle Crossing. Y Y Page 11 Updated 01/07/2014

14 IT-1 GENERAL PROVISIONS 5 Stormwater Visual Inspection ("lamping") Engineer Gravity One Pipeline is straight for grade and N piped inspection alignment, has retained its shape (i.e reticulation for each roundness) and is clean. <50m stormwater line <50m. Visual Inspection (walk through) Engineer Gravity One Pipeline is straight for grade and piped inspection alignment, has retained its shape (i.e. reticulation for each roundness), is clean, joints are uniform, <1200mmÆ stormwater pipe barrel isn't cracked and little or no line infiltration occurring. >1200mm Æ CCTV inspections Engineer Gravity piped reticulation One inspection Meet the requirements of IT-1 Apx C. N >50m for each stormwater line >50m Sump inspections Engineer Sumps One inspection Pass the requirements on IS-5.2 Sump. N for each Sump Manhole Infiltration Test Engineer Manhole As instructed by Council 6 Wastewater Pass the requirements on TS-6.4 Manhole Infiltration Test. N Manhole Structure Inspections Engineer Manhole One inspection for each Manhole Pass the requirements on IS-6.1 Manhole & Pipework <50m. N Page 12 Updated 01/07/2014

15 IT-1 GENERAL PROVISIONS Visual Inspection ("lamping") Engineer Gravity piped reticulation <50m CCTV Inspections Engineer Gravity piped reticulation >50m Low Pressure Air test Contractor Gravity piped reticulation ñ ground water table High Pressure Air Test Contractor Gravity piped reticulation ò ground water table Rising Main Pressure Test Contractor Pressure Rising Main One Pipeline is straight for grade and inspection alignment, has retained its shape (i.e. for each roundness) and is clean. gravity line which is <50m One Meet the requirements of IT-1 Apx C. inspection for each gravity line >50m One test for each gravity line. One test for each gravity line One test for each pressure rising main Manhole Infiltration Test Contractor Manhole As instructed by Council Pump Station Commissioning Contractor Pump Station One inspection on completion Pass the requirements on TS-6.1 Low Pressure Air Test. Pass the requirements on TS-6.2 High Pressure Air Test. Pass the requirements on TS-6.3 Pressure Test. Pass the requirements on TS-6.4 Manhole Infiltration test. N N N N N N Page 13 Updated 01/07/2014

16 IT-1 GENERAL PROVISIONS 7 Water Supply Fire Hydrant Inspections Engineer Hydrants One inspection Pass the requirements on IS-7.1 Hydrants. N for all hydrants Valve Inspections Engineer Valves One inspection Pass the requirements on IS-7.2 Valves. N for all valves Water Meter Inspections Engineer Water Meters One inspection Pass the requirements on IS-7.3 Water Connections. N for all meters Pressure Test Contractor Water Mains Pass the requirements on TS-7.1 Pressure Test. N Disinfection Contractor Water Mains Pass the requirements on TS-7.2 Installation Disinfection. 8 Public Lighting N Lighting Inspection Engineer Visual acceptance of the public lighting by both CHR and Council 9 Network Utilities Broadband ducting inspection Engineer Acceptance of the broadband ducting prior to backfill by both CHR and Council. 10 S224 Final Walkover Final Inspection Engineer Acceptance of the finished development works and As-built plans by both Engineer and Council prior to application for s224. N Y Y The Consent Holders Representative is required to notify Council's Development Engineer not less than 48 hours prior to each test or inspection to allow for Council attendance. Page 14 Updated 01/07/2014

17 IT-1 GENERAL PROVISIONS IT-1 - Appendix B Company Requirements for Soils, Earthworks, Materials and Pavement Testing IT-1 - Appendix B.1 Minimum Requirements All testing of soils, earthworks, materials and pavements to determine: a) Soils properties and performance criteria. b) Compliance of earthworks with Geo-Professionals earthworks design. c) Confirmation of materials properties for pavements. d) Pavement compliance testing. Shall be undertaken by a company (laboratory) who is accredited with IANZ for mechanical testing in compliance with NZS ISO/IEC General Requirements for the Competence of Testing and Calibration laboratories and specific technical criteria where appropriate. Where the testing company (laboratory) is employed to undertake the testing associated with b) above, then the Geo-Professional, or their delegate, shall be the only person to direct the activities of the testing company to ensure the testing requirements for the earthfill are met. Regular frequent contact shall occur between the testing company and Geo-Professional during earthworks testing to ensure that the location and frequency of the earthworks testing meets the Geo-Professional's requirements. Where the testing company is employed to undertake testing associated with either c) or d) above then the testing company shall be directed and managed solely by the Engineer or their Representative. Frequent contact shall occur between the testing company and Engineer during pavement testing to ensure that the location, frequency and results of the testing meets the Engineer's design requirements. Note: The testing company forms an integral part of the Geo-Professional's or Engineer's certification of the earthworks, determining the long term viability of any new or modified landform, the pavement and determining the long term serviceability of the new or re-constructed road. It can't be stressed enough that the Geo-Professional and/or Engineer be the sole manager of the testing company's testing activities on their behalf. Updated 01/07/2014 Page 15

18 IT-1 GENERAL PROVISIONS IT-1 - Appendix C Closed Circuit Television (CCTV) Inspections Page 16 Updated 01/07/2014

19 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.1 General Unless modified by this document CCTV inspections shall be in accordance with The General Specification of The New Zealand Pipe Inspection Manual, Third Edition, Published Updated 01/07/2014 Page 17

20 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.2 Engaging a CCTV Provider a) Development Works Prior to works commencing, the Consent Holder s Representative shall provide to Council, in writing, the names of three (3) proposed CCTV providers, including their proposed inspection rates and the length of pipelines to be inspected. (Inspection rates shall be quoted in $/ lin. m) Council will consider the three (3) proposed providers and their respective inspection rates and confirm in the Development Works Approval which CCTV provider Council agrees to undertaking the CCTV inspection works. Where Council considers the rates provided by the CCTV providers are too expensive Council may require the Consent Holder to engage a CCTV provider of Council nomination. The Consent Holder s Representative shall then engage the services of the agreed/nominated CCTV provider to undertake the CCTV inspection for the development as and when required. b) Capital Works The Contractor shall engage the services of a CCTV provider in accordance with the conditions of contract. Page 18 Updated 01/07/2014

21 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.3 Responsibilities of all Parties a) Development Works The Consent Holder s Representative is responsible for ensuring the required CCTV inspections for the development are completed and submitted to Council for acceptance. The Consent Holder s Representative is also responsible for the on site coordination of the Contractor and CCTV Provider. Council accepts no liability for the CCTV Provider or the coordination and timing of inspection requirements. b) Capital Works The Contractor is responsible to ensure the required CCTV inspections for the contract are completed and submitted to Council for acceptance. The Contractor is responsible for the on site coordination and timing of the CCTV Provider and inspection requirements. c) CCTV Provider The CCTV Provider is the person or entity engaged by either the Consent Holder, the Consent Holder s Representative or the Contractor to provide the services required by this document. The CCTV provider shall ensure the CCTV footage of all pipelines requiring inspection is undertaken in accordance with the requirements of this document and that they meet any inspection timing requirements of the Consent Holder s Representative or the Contractor. Updated 01/07/2014 Page 19

22 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.4 Cleaning Prior to the CCTV inspections being undertaken pipes are to be fully cleaned to remove all foreign matter, including all roots. This may involve either several passes of jetting equipment or the use of several different cleansing techniques to ensure that all debris is removed from the pipeline. Page 20 Updated 01/07/2014

23 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.5 Water Flow in Pipe a) Stormwater A nominal flow of water maybe permitted in the pipe invert during the CCTV inspection. i.e. the pipe is to be predominantly dry and any water present must not inhibit the CCTV equipment from completing a thorough inspection of the pipeline. b) Wastewater No water is permitted within the pipeline during the CCTV inspection. i.e. the pipe is to be dry. Updated 01/07/2014 Page 21

24 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.6 Defect Codes The following table lists Condition Scores in accordance with the New Zealand Pipe Inspection Manual Third Edition, May CODE CONDITION DESCRIPTION S M L CC Structural Crack Circumferential CL Structural Crack Longitudinal CM Structural Crack Multiple DF Structural Deformed Pipe N/A DP Structural Dipped Pipe IP Structural Infiltration Present JD Structural Joint Displaced JF Structural Joint Faulty JO Structural Joint Open LF Structural Lateral Sealing Defective LP Structural Lateral Protruding LX Structural Lateral Problem OP Structural Obstruction Permanent PB Structural Pipe Broken PF Structural Deformed Plastic Pipe PH Structural Pipe Holed PL Structural Protective Lining Defective PX Structural Pipe Collapsed N/A N/A 100 SD Structural Surface Damage TM Structural Tomo N/A N/A 40 DE Service Debris Silty DG Service Debris Greasy ED Service Encrustation Deposit OT Service Obstruction Temporary RI Service Root Intrusion Page 22 Updated 01/07/2014

25 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.7 Failure Triggers A pipeline is deemed to have failed when one of the thresholds as detailed in Tables 4-5 and/or 4-6 of the New Zealand Pipe Inspection Manual Third Edition are exceeded. These failures thresholds are: a) Structural Condition: Peak Score of 2 and a Mean Score of 0.5. b) Service Condition: Peak Score of 3 and a Mean Score of 0.5. These values equate to a grading of excellent in the New Zealand Pipe Inspection Manual Third Edition. Updated 01/07/2014 Page 23

26 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.8 Failures Failure of structural item requires defect(s) to be remedied and a second CCTV inspection undertaken to show compliance. Failure of service item requires pipe to be cleaned and a second CCTV inspection undertaken to show compliance. Page 24 Updated 01/07/2014

27 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.9 Major Defects Requiring Immediate Attention If the CCTV provider identifies any of the following defects, they are to immediately notify the Council: a) Pipe Broken (L severity). b) Pipe Collapsed (L severity). c) Deformed Pipe (L severity). d) Tomo (L severity). e) Any defects where it is evident that tomos are forming outside the pipe. Updated 01/07/2014 Page 25

28 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.10 Deliverables The CCTV provider is required to provide the following: a) Two hard copy (A3) As-built drawings of the pipe layout and manhole positions labelled to correspond with the information on the CCTV video. b) Two copies on DVD+R disks of the CCTV inspections; these are to be recorded in an mpeg2 programme stream (PS) format, with a variable bit rate of 4.5 mbps or higher. Page 26 Updated 01/07/2014

29 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.10.1 CCTV Footage Requirements The CCTV footage shall include the following text information: a) Screen header information shown for a minimum of 10 seconds showing: i) Name of main Contractor. ii) iii) Name of CCTV Contractor. Name of Client. iv) Date of inspection. v) Resource Consent Number or Council Contract Number. vi) Upstream manhole number. vii) Setup Manhole number. viii) Downstream manhole number. ix) Pipe Diameter in millimetres. x) Pipe Material e.g. UPVC. xi) Pipe use e.g. Stormwater. b) Continuous header information located on screen so as not to impede the view of the pipe showing: i) Upstream manhole number. ii) Downstream manhole number. iii) Distance along pipe. iv) Inclinometer. Example of Continuous Header Information Position Updated 01/07/2014 Page 27

30 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.10.2 Unacceptable Footage The video will be deemed unacceptable and rejected due to any of the following issues: a) Camera out of focus. b) Insufficient / excessive lighting. c) Fog or steam in the pipe. d) Condensation or grease on the lens. e) Temporary discharge of water down the pipe. f) Debris or spider webs over the lens due to insufficient cleaning. g) Camera moving too fast or too slow through the pipe. Page 28 Updated 01/07/2014

31 IT-1 GENERAL PROVISIONS IT-1 - Appendix C.10.3 Condition Assessment Reports CCTV inspection footage shall be submitted to Council by either the Contractor or the Consent Holder s Representative. Once Council has received the CCTV footage, it will be forwarded to Council s data management contractor who will review the CCTV footage, produce a condition assessment report and convert the footage into a format suitable for migration into Council's Asset Management System. Council s internal timeframe to complete preparation of the condition assessment report is 5 working days, excluding the day the CCTV footage is received by Council. The result of the Condition Assessment Report will be forwarded to the Consent Holder's Representative on receipt. Council will notify the Consent Holder's Representative at the time of Development Works Approval, the current rates for production of the Condition Assessment Report in $/ lin. m. Updated 01/07/2014 Page 29

32 INSPECTION AND TESTING REQUIREMENTS IT-2 STREETSCAPE TABLE OF CONTENTS IT-2.1 Inspection...1 IT-2.2 Testing...1

33 IT-2 STREETSCAPE IT-2.1 Inspection Refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Representatives: Council s a) Inspection of plant/tree species prior to commencement of planting. b) Completion of all planting, surfacing and structures. Street trees shall satisfy the requirements of inspection sheet IS-2.1 Tree. c) Should inspection of other streetscape features be required, Council shall advise in writing what inspections are required. d) Final inspection as specified in IT-1 General Provisions. IT Random Inspections Council will undertake random inspections of all site features throughout the construction period to ensure good industry practices and compliance with all requirements for the infrastructure development are being followed. IT-2.2 Testing a) Testing of streetscape features over and above the inspection requirements specified in IT-2.1 Inspections will not generally be required. b) Refer to IT-8 Public Lighting for the testing requirements for public lighting. c) Should testing of other streetscape features be required, Council shall advise in writing what test method/s shall be used. Updated 01/07/2014 Page 1

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35 INSPECTION AND TESTING REQUIREMENTS IT-3 RESERVES TABLE OF CONTENTS IT-3.1 Inspection...1 IT-3.2 Testing...1

36 IT-3 RESERVES IT-3.1 Inspection Refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Representatives: Council s a) Inspection of plant/tree species prior to commencement of planting. b) Completion of all planting, surfacing and structures. Street trees shall satisfy the requirements of inspection sheet IS-2.1 Tree. c) Should inspection of other reserve features be required, Council shall advise in writing what inspections are required. Final inspection as specified in IT-1 General Provisions. IT Random Inspections Council will undertake random inspections of all site features throughout the construction period to ensure good industry practices and compliance with all requirements for the infrastructure development are being followed. IT-3.2 Testing a) Testing of reserves features over and above the inspection requirements specified in IT-3.1 Inspections will not generally be required. b) Refer to IT-8 Public Lighting for the testing requirements for lighting. c) Should testing of other reserve features be required, Council shall advise in writing what test method/s shall be used. Updated 01/07/2014 Page 1

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38 INSPECTION AND TESTING REQUIREMENTS IT-4 TRANSPORTATION NETWORK TABLE OF CONTENTS IT-4.1 Inspection...1 IT-4.2 Testing...2

39 IT-4 TRANSPORTATION NETWORK IT-4.1 Inspection Refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Representatives: Council s a) Sub-grade inspection. Acceptance of the subgrade and its test results by both the Engineer and Council s Representative shall be confirmed prior to work commencing on the sub-base/basecourse construction activities. b) Sub-base inspection. Acceptance of the sub-base and its test results by both the Engineer and Council's Representative shall be confirmed prior to work commencing on the basecourse. c) Pre-seal inspection (completed carriageway basecourse). Acceptance of the basecourse and its test results by both the Engineer and Council s Representative shall be confirmed prior to membrane sealing of the carriageway. d) Pre-surfacing inspection (after completion of seal membrane). Acceptance of the membrane seal, any relevant test results and any other inspection and testing requirements for other assets located in the carriageway by both the Engineer and Council s Representative shall be confirmed prior to final surfacing. e) Pre-concrete pour inspection for footpaths. Acceptance of the formwork and footpath sub-base by both the Engineer and Council s Representative shall be confirmed prior concrete pour. f) Other inspections may be required that are not listed above. These will be advised by Council where applicable. g) A complete inspection of all assets prior to s224(c) application is required as specified in IT-1 General Provisions. IT Random Inspections Council will undertake random inspections of all site features throughout the construction period to ensure good industry practice and compliance with all requirements for the infrastructure development are being followed. Updated 01/07/2014 Page 1

40 IT-4 TRANSPORTATION NETWORK IT-4.2 Testing a) Council shall be advised when testing is being undertaken but may choose not to attend the testing. b) All compliance testing is to be carried out by an IANZ Registered testing Company IT-4 - Appendix A Company Requirements for Pavement Testing. c) It is expected that Contractors will carry out their own uniformity testing in addition to the compliance testing. While not acceptable for compliance, copies of all of the Contractor s uniformity testing results will be made available to Council if requested. IT Subgrade Testing Carriageways The tests in IT Test Methods shall be completed and accepted before placing any pavement aggregate. It is the Engineer s responsibility to ensure soils and bearing testing is undertaken (as may be required) and to identify and carry out any necessary remedial works on the subgrade (not less than 400mm depth) to achieve the required bearing capacity and, where utilised, deflections necessary at subgrade level. Testing requirements covered in this section address only the tests required to satisfy Council that the finished subgrade of the pavement is competent in both bearing capacity and deflection to support the road pavement. IT Test Methods The test method to be utilised to measure and prove the strength of a completed sub-grade for all soil types is the Insitu CBR test method in accordance with NZS 4402 Methods of Testing Soils for Civil Engineering Purposes. Other test methods can be utilised between Insitu CBR tests to confirm the uniformity of the completed subgrade. The other test methods that can be used for consistency testing are for: a) Cohesive soils: shear vane testing. b) Non-cohesive soils: scala-penetrometer testing. Both methods require calibration against several of the passed Insitu CBR tests. Benkelman Beam testing is also an acceptable test utilised by the Engineer to test a subgrade for consistency and uniformity of performance. (This is a non-mandatory requirement.) a) CBR Testing: Insitu CBR tests are to be carried out on all completed subgrades. Tests shall be carried out at 15m intervals on alternate lanes. The subgrade CBR s shall achieve: i) CBR 7 for modified ash subgrades. Page 2 Updated 01/07/2014

41 IT-4 TRANSPORTATION NETWORK ii) CBR 10 for modified sand pumice subgrades. unless the approved design CBR is different. The CBR value used in the design shall be the 10 percentile value of the CBR tests taken on the subgrade material. A selection of tests shall be taken at 150mm, 300mm and 450mm below final subgrade level. b) Scala Penetrometer testing (non-cohesive soils only): The Scala Penetrometer shall be calibrated by performing tests located adjacent to one or more insitu CBR test that meets the approved design CBR or performance standards referenced in a) above. Once calibrated the Scala Penetrometer can be used to check the uniformity of the subgrade. Testing with Scala Penetrometer shall be carried out in both wheel tracks of each lane of the pavement at 10m intervals: i) The Scala Penetrometer shall only be employed on non-cohesive subgrades where a significant part of the subgrade particles pass a 9.5mm sieve. The penetrometer shall be bedded into the soil with one (or more) blows. The zero point for depth and the number of blows is taken neglecting the bedding blows. ii) iii) Table 1: Scala Penetrometer vs CBR Approximation sets out the first approximation co-relationship between the Scala Penetrometer readings in non-cohesive soils and equivalent CBR readings. Refer to IT Scala Penetrometer CBR Conversion Chart for the California Bearing Ratio (CBR) vs Penetration relationship. c) Shear Vane Testing (cohesive soils only): The shear vane shall be calibrated by performing tests located adjacent to one or more insitu CBR test that meets the approved design CBR or performance standards referenced in a) above. Once calibrated the Shear Vane can be used to check the uniformity of the subgrade. Testing with Shear Vane is to be carried out in both wheel tracks of each lane of the pavement at 10.0m intervals: i) There is no established direct correlation between the Shear Vane and CBR as every soil type has different characteristics, however, by calibrating directly to insitu CBR results as in a) CBR Testing above, a local comparison is useful for uniformity assurance. In general the local ashes for soils close to optimum moisture content (OMC) and 100% maximum dry density, the shear strength should be >150 kpa. d) Benkelman Beam Testing: Although not mandatory, Benkelman Beam tests for total deflection are encouraged to be carried out on all prepared subgrades. Tests shall be carried out at not less than 15.0m intervals on alternate lanes. It is anticipated that in Updated 01/07/2014 Page 3

42 IT-4 TRANSPORTATION NETWORK general subgrade total deflections should be 4mm average and not exceed 6mm. Deflections in excess of 6mm shall require remediation of the subgrade or the Engineer will need to reassess the pavement design to ensure the maximum final pavement deflection is not exceeded: i) The Benkelman Beam test shall be as per NZTA Specification T/1 Benkelman Beam Deflection Measurements. Table 1: Scala Penetrometer vs CBR Approximation CBR Maximum mm per blow Minimum blows / 100mm IT Shape of Subgrade Stringing may be carried out by the Contractor in the presence of the Engineer and shall be at no greater than 20m intervals and within a tolerance of +0mm and -20mm of design subgrade level. IT Sub-base Testing All sub-bases shall be constructed from GAP65 aggregate. The GAP65 shall be well-graded crushed rock, free from silt or clay lumps, organic and other non-mineral matter. Unless otherwise approved, Representative samples shall be tested for compliance with the following: a) Table 2: Table 2: GAP65 RequirementsGAP65 Requirements. b) Grading Limits: When wet sieved in accordance with NZS 4402 Test No The grading shall lie within the envelope of values given in Table 2: GAP65 Requirements. c) Sand Equivalent: When tested in accordance with NZS 4407 Test No. 3.6 the sand equivalent shall not be 40. d) Crushing Resistance: When tested in accordance with NZS 4407 Test No the percentage of fines produced from a 110 kn load shall be 10%. e) CBR: The minimum CBR shall not be 80% when laboratory tested. f) Stringing: Stringing, which may be carried out by the Contractor in the presence of the Engineer, shall be at no greater than 20m intervals and within the tolerance +20 or -20 mm of design subgrade level. Page 4 Updated 01/07/2014

43 IT-4 TRANSPORTATION NETWORK Table 2: GAP65 Requirements Test Sampling and Testing Frequency (based on TNZ M/4) Grading limits Minimum of 2 Test Sieve Aperture % Passing by mass samples less than 2 months old at date of delivery. 70mm Minimum 100% 19mm Minimum 40% 9.5mm Maximum 70% 425um Maximum 10% Sand equivalent 40% Crushing resistance With 110 kn load 10% fines Actual number dependant on volume required as follows: < 400m³ - 2 tests m³ - 3 tests m³ - 4 tests > 4000m³ - 1 test per 1000m³ or part thereof Minimum of 2 samples less than 6 months old at date of delivery. Actual number dependant on volume required. Laboratory CBR Soaked > 80% 1 sample per project IT Compaction of Sub-Base Nuclear Densometer: The degree of compaction shall be tested at 15m intervals on alternate sides of the pavement at the completion of primary compaction. Compaction testing shall be undertaken by a calibrated Nuclear Densometer in Backscatter Transmission mode. Target results for density are an average of 95% of MDD and a minimum of 92% of MDD. IT Shape of Sub-Base Stringing at not more than 20m intervals and within a tolerance of +0mm and -20mm of design sub-base level. IT Basecourse Testing All basecourse aggregate shall be either GAP40 or AP40 (TNZ M4) metal meeting the following test requirements: Updated 01/07/2014 Page 5

44 IT-4 TRANSPORTATION NETWORK a) Aggregate for construction of basecourse layers shall be crushed rock, free from silt or clay lumps, weathered or disintegrated rock, organic and other non mineral matter. b) Unless otherwise approved, the following tables shall be used: i) Table 3: GAP40 Requirements (based on NZS 4404). ii) Table 4: AP40 Requirements (based on TNZ M/4). c) Grading Limits: When wet sieved in accordance with NZS 4402 Test No The grading shall lie within the envelope of values given in Table 3: GAP40 Requirements (based on NZS 4404) and Table 4: AP40 Requirements (based on TNZ M/4). d) Sand Equivalent: When tested in accordance with NZS 4407 Test No. 3.6 the sand equivalent shall not be 25 for GAP40 or 40 for AP40. e) Crushing Resistance: When tested in accordance with NZS 4407 Test No the percentage of fines produced from a 110 kn load shall be 10%. f) CBR: The minimum CBR shall not be less than 100% when laboratory tested. Table 3: GAP40 Requirements (based on NZS 4404) Test Sieve Aperture Test Grading limits % Passing by mass 37.5mm 100% 19mm 61 81% 9.5mm 38 57% 4.75mm 23 43% 2.36mm 14 33% 1.18mm 7 25% 600um 2 19% 300um 0 14% 150um 0 10% 75um 0 7% Sand equivalent > 25% Crushing resistance Weathering resistance With 110 kn load < 10% fines AA, AB, AC, BA, BB, BC, CA or CB Sampling and Testing Frequency (based on TNZ M/4) Minimum of 2 samples less than 2 months old at date of delivery. Actual number dependant on volume required as follows: < 400m³ - 2 tests m³ - 3 tests m³ - 4 tests > 4000m³ - 1 test per 1000m³ or part thereof Minimum of 1 sample less than 6 months old at date of delivery. Actual number dependant on volume required. Minimum of 1 sample less than 6 months old at date of delivery. Actual number dependant on volume required. Page 6 Updated 01/07/2014

45 IT-4 TRANSPORTATION NETWORK Table 4: AP40 Requirements (based on TNZ M/4) Test Sieve Aperture Test Grading limits % Passing by mass 37.5mm 100% 19mm 66 81% 9.5mm 43 57% 4.75mm 28 43% 2.36mm 19 33% 1.18mm 12 25% 600um 7 19% 300um 3 14% 150um 0 10% 75um 0 7% Shape Limits 19 mm mm 28 48% 9.5 mm mm 14 34% 4.75 mm mm 7 27% 2.36 mm um 6 22% 1.18 mm um 5 19% 600 um um 2 14% Sand equivalent >40% Crushing resistance With 130 kn load < 10% fines Weathering resistance AA, AB, AC, BA, BB, BC, CA or CB Sampling and Testing Frequency (based on TNZ M/4) Minimum of 2 samples less than 2 months old at date of delivery. Actual number dependant on volume required as follows: < 400m³ - 2 tests m³ - 3 tests m³ - 4 tests >4000m³ - 1 test per 1000m³ or part thereof Minimum of 1 sample less than 6 months old at date of delivery. Actual number dependant on volume required. Minimum of 1 sample less than 6 months old at date of delivery. Actual number dependant on volume required. IT Compaction of Basecourse a) Nuclear Densometer: The degree of compaction shall be tested at 15m intervals on alternate sides of the pavement at the completion of primary compaction. Compaction testing shall be undertaken by a calibrated Nuclear Densometer in Backscatter Transmission mode. Target results for density are an average of 98% of MDD and a minimum of 95% of MDD. Updated 01/07/2014 Page 7

46 IT-4 TRANSPORTATION NETWORK b) Tolerances shall meet the requirements of NZTA specification B/2 Construction of Unbound Granular Pavement Layers. c) Benkelman Beam tests for total deflection and D250/D0 are to be carried out on all prepared basecourse surfaces. Tests shall be carried out at not less than 15m intervals on alternate lanes. The basecourse total deflections shall be about 3mm average and not exceed 4.5mm. D250/D0 ratios are required to meet the following: i) Chip Seal and 25 mm asphalt >0.54 ii) 40 mm Asphalt >0.65 iii) >50mm Asphalt >0.70 iv) The beam test shall be as per NZTA Specification T/1 Benkelman Beam Deflection Measurements. d) The Engineer shall provide the results from the Benkelman Beam tests (specified above) to show that the pavement complies with the requirements detailed. The organisation carrying out the tests shall be IANZ accredited. e) Acceptance of pavements with deflections exceeding the target figures will be at the discretion of the Council. IT Shape of Basecourse Stringing, which may be carried out by the Contractor in the presence of the Engineer, shall be at not more than 20m intervals and within a tolerance of +5mm and -5mm of design basecourse level. IT Surface Texture The method for determining surface texture shall be TNZ Specification T/3 Sand Circle Surface Texture measurements. IT Sealed Surface Roughness This shall only apply to designated collector, arterial and strategic arterial roads. a) The target maximum values for roughness of sealed surfaces shall be 60 for asphalt and 70 for chipseal. b) Roughness measurements shall normally, but not exclusively, only be taken on surfacing applied to areas on new or reworked road surface or as directed by the Engineer. c) In addition to the shape requirements of TNZ B/2, TNZ P/9, TNZ P/9P and TNZ P/11 notes, National Association of Australian State Road Authorities (NAASRA) roughness readings shall be recorded in each lane at 20m intervals. d) A minimum of 3 runs for roughness measurements shall be taken in each direction. Roughness measurements taken through rotary intersections shall not be considered as part of the average roughness. Page 8 Updated 01/07/2014

47 IT-4 TRANSPORTATION NETWORK e) The moving 100m average of those 20m readings (in each lane including tie ins) shall be determined and none of those 100m averages shall exceed a value of 70 NAASRA counts/km. f) Where the finished surfacing is asphaltic concrete, the maximum 100m moving average lane roughness requirement is reduced to 60 NAASRA counts/km. g) Roughness readings are not required on lengths 100m or less, as the shape requirements of the above TNZ specifications are expected to be sufficient to control isolated bumps over this short length. h) The average roughness value shall be taken to be the arithmetic mean of all recorded readings excluding readings taken through rotary intersections. i) For the purposes of comparing with the specified Average Construction Roughness, the average roughness obtained shall be rounded to the nearest whole number. j) The Contractor shall be responsible for all costs in arranging and carrying out the testing and informing the Engineer of the results. k) The Contractor shall provide the Engineer with all the Certified Test results. The Certification shall include that the testing has been carried out in accordance with this clause. Updated 01/07/2014 Page 9

48 IT-4 TRANSPORTATION NETWORK IT Scala Penetrometer CBR Conversion Chart Page 10 Updated 01/07/2014

49 IT-4 TRANSPORTATION NETWORK IT-4 - Appendix A Company Requirements for Pavement Testing IT-4 - Appendix A.1 General All testing of pavements shall be undertaken by a company (laboratory) who is accredited with IANZ for mechanical testing in compliance with NZS ISO/IEC General Requirements for the Competence of Testing and Calibration Laboratories and specific technical criteria where appropriate. The testing company shall be directed and managed solely by the Engineer or their Representative. Frequent contact shall occur between the testing company and Engineer during pavement testing to ensure that the location, frequency and results of the testing meets the Engineer s design requirements and the requirements of the IDC. Note: The testing company forms an integral part of the Engineer s certification of the pavement and determining the long term serviceability of the new or reconstructed road. It can not be stressed enough that the Engineer is the sole manager of the testing company s certification activities on their behalf. Updated 01/07/2014 Page 11

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52 INSPECTION AND TESTING REQUIREMENTS IT-5 STORMWATER TABLE OF CONTENTS IT-5.1 Inspection...1 IT-5.2 Testing...2

53 IT-5 STORMWATER IT-5.1 Inspection Refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Representatives: Council s a) Manhole structures shall be inspected to satisfy the requirements noted under inspection sheet IS-5.1 Inspection Sheet Stormwater Manhole and Pipeline <50m. b) Gravity piped reticulation where the distance between manholes is 50m or less, shall undergo visual inspection. Visual inspection includes "lamping" between manholes to ensure the pipeline is laid straight for grade and alignment, has retained its shape (i.e. roundness) and is clean. c) Gravity piped reticulation, where the pipe size is >1200mmÆ, shall undergo visual inspection. Visual inspection includes a walk through the pipeline between manholes or inlet and outlet structure to ensure the pipeline is laid straight for grade and alignment, has retained its shape (i.e. roundness), is clean, joints are uniform, pipe barrel isn't cracked and little or no infiltration occurring. d) Gravity piped reticulation where the distance between manholes is more than 50m or the pipe size is 1200mmØ or less shall be inspected using closed circuit television (CCTV) to satisfy the same requirements as noted under b) above. Note: If any part of the reticulation is required to be CCTV'ed then all pipes on the development shall be CCTV'ed. e) Sumps shall be inspected to satisfy the requirements noted under inspection sheet IS-5.2 Inspection Sheet Sump. f) Should inspection of other stormwater features be required, Council shall advise in writing what inspection/s are required. g) Final inspection as specified in IT-1 General Provisions. IT Random Inspections Council shall undertake random inspections of all site features throughout the construction period to ensure good industry practice and compliance with all requirements for the infrastructure development are being followed. IT CCTV Inspections CCTV inspections and deliverables shall be in accordance with IT-1 Appendix C - Closed Circuit Television (CCTV) Inspections. All Stormwater network components shall be completed before commencement of CCTV. Updated 01/07/2014 Page 1

54 IT-5 STORMWATER IT-5.2 Testing Testing of stormwater pipelines shall include: a) IT Testing of Butt Welds in Polyethylene Pipes b) IT Testing of Electrofusion Welds in Polyethylene Pipes IT Testing of Butt Welds in Polyethylene Pipes Testing shall be carried out in accordance with ISO 13953:2001. The number of specimens per weld tested shall be in accordance with this standard. In addition to the results provided in terms of the standard, a graph of load vs tensile extension shall be provided to assist with the interpretation of ductile and brittle failure. The results shall be submitted to Council. Test pieces shall be retained by the Contractor until the issue of the Defects Liability Certificate and shall be made available to the Engineer on request. Before welding of the main pipe string commences, two proof welds shall be carried out and tested. If at any time during the welding of the pipe string either the welder or the welding machine is changed two further proof welds shall be carried out and tested. On the main pipe string 5% of welds carried out shall be tested, with a minimum of one weld. If a weld has failed the Contractor shall expose the immediately preceding weld which shall be tested as described above. IT Testing of Electrofusion Welds in Polyethylene Pipes Testing of electrofusion welds shall be carried out in accordance with ISO 13954:1997. The minimum number of specimens per weld shall be three. Before welding of the main pipe string commences, two proof welds shall be carried out and tested. If at any time during the welding of the pipe string either the welder or the welding machine is changed two further proof welds shall be carried out and tested. On the main pipe string 5% of welds carried out shall be tested, with a minimum of one weld. If a weld has failed the Contractor shall expose the immediately preceding weld, which shall be tested as described above. Page 2 Updated 01/07/2014

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57 INSPECTION AND TESTING REQUIREMENTS IT-6 WASTEWATER TABLE OF CONTENTS IT-6.1 Inspection...1 IT-6.2 Testing...2

58 IT-6 WASTEWATER IT-6.1 Inspection Please refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Representatives: Council s a) Manhole structures shall be inspected to satisfy the requirements noted under inspection sheet IS-6.1 Wastewater Manhole and Pipeline <50m. b) Gravity piped reticulation where the distance between manholes is 50m or less, shall undergo visual inspection. Visual inspection includes "lamping" between manholes to ensure the pipeline is laid straight for grade and alignment, has retained its shape (i.e. roundness) and is clean. c) Gravity piped reticulation where the distance between manholes is more than 50m shall be inspected using closed circuit television (CCTV) to satisfy the same requirements as noted under b) above. Note: If any part of the reticulation is required to be CCTV'ed then all pipes on the development shall be CCTV'ed. d) Wastewater pump station commissioning which includes testing the operation of the pumps, electrical and telemetry systems. e) Should inspection of other wastewater features be required, Council shall advise in writing what inspection/s are required. f) Final inspection as specified in IT-1 General Provisions. IT Random Inspections Council shall undertake random inspections of all site features throughout the construction period to ensure good industry practice and compliance with all requirements for the infrastructure development are being followed. IT CCTV Inspections CCTV inspections and deliverables shall be in accordance with IT-1 Appendix C - Closed Circuit Television (CCTV) Inspections. All Wastewater network components shall be completed before commencement of CCTV. Slope corrections shall be carried out where the pipe alignment is out of tolerance. Updated 01/07/2014 Page 1

59 IT-6 WASTEWATER IT-6.2 Testing Please refer to IT-1 General Provisions for the procedure for initiating testing attendance by Council Representatives. IT Pre-Testing All wastewater mains, branch pipelines and extended connections shall be pre-tested during construction. The Contractor and Engineer must be satisfied that the final test will pass (by undertaking pre-testing), before initiating the final test with Council. IT Gravity Reticulation The following applies to testing of gravity reticulation: a) All testing shall be carried out when backfilling is complete and prior to final surface sealing and/or pavement works being completed if within the carriageway. b) All manholes and pipes shall be flushed before testing. c) No infiltration of water either via a manhole or pipe is permitted. IT Low Pressure Air Test TS 6.1 a) Unless pipes are installed under natural groundwater, this test shall be undertaken on all pipes unless another test method is agreed to by Council. b) The pipeline to be tested shall be effectively plugged by fixing suitably strutted plugs at both ends and into side connections with particular care being taken to fix plugs against movement. Air shall be introduced by suitable means (such as hand pumps) until either: i) A pressure of 300mm of water is indicated by a suitable manometer (such as a U-tube) connected to the system. ii) As noted on test sheet TS-6.1 Low Pressure Air Test. c) After the air has attained a uniform temperature, as indicated by the pressure becoming steady, the source of air supply shall be physically disconnected and the pressure drop measured after a test period of 5 minutes. d) The acceptance limit shall be a pressure drop not exceeding 50mm in 5 minutes. e) All results and comments shall be recorded on test sheet TS-6.1 Low Pressure Air Test. f) If the test is passed, the test sheet shall be signed by: i) The Contractor who completed the test. ii) The Certifying Engineer or their Representative to certify that the test has passed all requirements. Page 2 Updated 01/07/2014

60 IT-6 WASTEWATER iii) Council's Representative as a witness to ensure that the test was undertaken correctly. g) If the test does not pass the Engineer and Contractor shall investigate the reason/s for the test failure, fix the problem/s and rearrange a new test. IT High Pressure Air Test TS 6.2 a) Where pipes are installed under natural groundwater, this test shall be undertaken on all pipes unless another test method is agreed to by Council. b) The pipeline being tested shall be plugged as for the Low Pressure Air Test, care being taken to secure the plugs against movement and pressurised by a compressor or other appropriate means to a pressure of 25kPa. c) A period of at least 2 minutes shall be allowed to ensure temperature stabilisation. The source of air supply shall be physically disconnected and the time for the test pressure to drop from 25kPa to 17kPa noted. d) The acceptance limit shall be as follows: Pipe diameter (mm) Time for permissible pressure drop (minutes) e) If the test is passed the Test Sheet shall be signed by: i) The Contractor who completed the test. ii) iii) The Certifying Engineer or their Representative to certify that the test has passed all requirements. Council's Representative as a witness to ensure that the test was undertaken correctly. f) If the test does not pass the Engineer and Contractor shall investigate the reason/s for the test failure, fix the problem/s and rearrange a new test. IT Rising Main Pressure Test TS 6.3 a) Pressure testing shall be undertaken in accordance with the procedure on test sheet TS Wastewater Rising Main Pressure Test. b) All results and comments shall be recorded on test sheet. TS Wastewater Rising Main Pressure Test. c) If the test is passed the Test Sheet shall be signed by: Updated 01/07/2014 Page 3

61 IT-6 WASTEWATER i) The Contractor who completed the test. ii) iii) The Certifying Engineer or their Representative to certify that the test has passed all requirements. Council's Representative as a witness to ensure that the test was undertaken correctly. d) If the test does not pass the Engineer and Contractor shall investigate the reason/s for the test failure, fix the problem/s and rearrange a new test. IT Manhole Testing Where required by Council, manholes shall be water tested. The test shall satisfy the requirements noted under testing sheet TS-6.4 Manhole Infiltration Test. IT Wastewater Pump Station Commissioning Commissioning of pump stations shall comply with: a) IT Pumps b) IT Electronic Equipment c) IT Control Systems IT Pumps This involves but is not limited to the following: a) Ensuring all chambers and pumps are clear of all debris and tools. b) Operation of each pump separately and in their possible combinations to confirm system and component performance. c) Check for excess vibration and noise. d) Check pump polarity/rotation. e) Receipt of factory test certificate for the pumps. f) Pumps shall be set to work in the normal automatic operation mode after the tests have been completed. IT Electronic Equipment This involves but is not limited to the following: a) All tests and checks required for provision of an electrical compliance by a registered electrician. b) Receipt of factory test and calibration certificates. c) Tests as per manufacturers installation requirements. d) Calibration check against a standard. e) Confirmation of protection against out of specification power impulses. Page 4 Updated 01/07/2014

62 IT-6 WASTEWATER f) Ensuring that all overload systems are functioning. g) Checking signals to and from the control system. h) Checking signals to and from remote sensors. i) Checking signals from all level control equipment to ensure safe operation and to ensure machines will not run dry. j) Setting to work in the normal automatic operational mode after the tests have been completed. IT Control Systems This involves, but is not limited to, the following: a) Ensure all mechanical, electrical and electronic systems are set to work and are on-line to operate. b) Simulate all level induced control functions. c) Operate all control modes. d) Check all remote control and monitoring functions. e) Where any of the above fail to satisfy the requirements of the specification or the Engineer, correct the defect/s and retest. f) Oversee operation and carry out adjustments as necessary throughout the defects liability period. IT Testing of Butt Welds in Polyethylene Pipes Please refer to IT Testing of Butt Welds in Polyethylene Pipes. IT Testing of Electrofusion Welds in Polyethylene Pipes Please refer to IT Testing of Electrofusion Welds in Polyethylene Pipes. Updated 01/07/2014 Page 5

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72 INSPECTION AND TESTING REQUIREMENTS IT-7 WATER SUPPLY TABLE OF CONTENTS IT-7.1 Inspection...1 IT-7.2 Testing...1

73 IT-7 WATER SUPPLY IT-7.1 Inspection Refer to IT-1 General Provisions for the procedure for initiating inspection by Council Representatives. IT Formal Inspections The following inspections shall be advised to and undertaken with Council s Representatives: a) Hydrants shall be inspected to satisfy the requirements noted under inspection sheet IS 7.1 Inspection Sheet -Hydrant. b) Valves shall be inspected to satisfy the requirements noted under inspection sheet IS 7.2 Inspection Sheet - Valve. c) Water meters shall be inspected to satisfy the requirements noted under inspection sheet IS Inspection Sheet - Water Connection. d) Should inspection of other water supply features be required, Council shall advise in writing what inspection/s are required. e) Final inspection as specified in IT-1 General Provisions. IT Random Inspections Council shall undertake random inspections of all site features throughout the construction period to ensure good industry practice and compliance with requirements for infrastructure development. IT-7.2 Testing Please refer to IT-1 General Provisions for the procedure for initiating testing attendance by Council Representatives. IT Prior to Testing The Contractor and Engineer shall be fully familiar with the test procedure and all test equipment shall be fully functional and compliant before initiating the final test with Council. IT Pressure Testing Pressure testing shall be undertaken in accordance with Council's guideline document Testing of Pressure Pipelines. Updated 01/07/2014 Page 1

74 IT-7 WATER SUPPLY IT Water Supply Disinfection a) Disinfection of new mains shall be undertaken in accordance with the procedure on test sheet TS-7. 2 Installation Disinfection. b) All results and comments shall be recorded on test sheet TS-7.2 Installation Disinfection. c) If the test passes, the test sheet shall be signed by: i) The Contractor who completed the test. ii) iii) The Certifying Engineer or their Representative to certify that the test has passed all requirements. Council s Representative as a witness to ensure that the test was undertaken correctly. d) If the test does not pass, the Engineer and Contractor shall investigate the reason/s for the failure, fix the problem/s and rearrange a new test. IT Testing of Butt Welds in Polyethylene Pipes Please refer to IT Testing of Butt Welds in Polyethylene Pipes. IT Testing of Electrofusion Welds in Polyethylene Pipes Please refer to IT Testing of Electrofusion Welds in Polyethylene Pipes. Page 2 Updated 01/07/2014

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