Fets
Annex 8. Una anàlisi descriptiva de la relació entre les variables. Pregunta 7a
I.1 PRINCIPAL OVERALL REQUIREMENTS
In accordance with Section 47 of the Water Services Industry Act 2006, a developer of a new development, located within the service area of a Water Distribution Licensee, shall hand over a successfully completed External Reticulation System (ERS) Supply Mains and centralised service reservoir where applicable, or part thereof, to the WDL for operations and maintenance. The application forms for handing over and acknowledgement by the WDL are included in Appendix B.
The handing over can only be executed after the developer’s appointed competent person has issued a certificate of compliance for the ERS Supply Mains and centralised service reservoir where applicable, which in essence confirms that these facilities have been constructed in accordance with the plans, designs, specifications and standards approved by the Certifying Agency. Furthermore the Works must have successfully passed all material inspections; leakage and pressure tests, disinfection procedures, mechanized and electrical system tests and testing and commissioning tests and procedures witnessed and attested jointly by the competent person, developer / permit holder, the WDL and Facility Licensee if required.
In addition, the handing over of an external water reticulation system and/or supply mains can only be deemed successful if the following procedures, steps and submission of pertinent information are satisfactorily completed to the satisfaction of the CA, WDL and Facility Licensee (FL), viz:
The certificate of compliance is submitted to the Commission by the competent person once all procedures (i) to (vii) as listed under Section I.1.1 have been satisfactorily completed. This application shall be accompanied by authenticated forms confirming that the pressure and leakage tests, disinfection processes, water tightness testing of the reservoirs, and inspections of materials employed in the construction of reservoirs, pump stations, pipelines, valves and other relevant appurtenances, have been successfully conducted in the presence of the WDL.
The performance of all pumpsets and other equipments, where applicable, meets the specified duty requirements and a copy each of the test results shall be submitted to the WDL.
Operation Manuals for M&E Works, including Telemetry System, if any, to be submitted to the WDL.
A joint final inspection of the completed system has been carried out by the CA, WDL, FL, the competent person and the permit holder to confirm that external reticulation system, supply mains and centralised service reservoir have been constructed in conformance with design interest and details of which are accurately described in the As-Built Drawings..
The competent person submits a list of outstanding defects that in his opinion must be carried out before a Certificate of Compliance can be
external reticulation system, supply mains and centralised service reservoir where applicable.
A successful application has been made to the WDL for connection of bulk supplies of public water from the approved water supply source to the Development.
Tapping into public supply mains has been successfully completed.
Successful completion of sterilization, flushing and water quality checks of the water reticulation system.
Developer to comply with provisions under Rules 28, 29 and 30 of the Water Services Industry (Water Reticulation and Plumbing) Rules 2014 viz:
- The developer provides the water distribution licensee with documentary proof evidencing that all the necessary steps or actions required under the National Land Code 1965 [Act 56] or any other legislations that need to be complied with, including for any approvals to be obtained and fees or duties payable thereunder, for the surrender to the State Authority of the land whereon the completed supply mains and external reticulation systems are located, have been taken by the developer.
- Where the supply mains are constructed by the developer on private land, any way leave secured by the developer in relation to such land has been assigned in perpetuity to the water distribution licensee.
- Payments of prescribed charges for connection works have been settled.
- Ensure that all mechanical and electrical equipment are in working order and all associated spares as specified are provided.
- As-built drawings, endorsed by the competent person, have been submitted and accepted by the WDL.
- Developers shall lodge a guarantee as prescribed under Rule 30 of the Water Services Industry (Water Reticulation and Plumbing) Rules 2014 with the WDL in the form of cash or bank guarantee which shall be valid for a period of twenty seven months from date of handing over of the external reticulation system. This sum is to provide the WDL the necessary funds to rectify defects not carried out by the developer during the defect liability period (DLP).
- Complete the staged payment of Capital Contribution Fee mandated under Regulation 16 of the Water Services Industry (Water Services Deposits, Fees and Charges) Regulations 2014.
I.1.1 Handing Over Steps
The developer or owner shall follow the following steps for effective and expedient taking over of water supply facilities by the WDL/Facility Licensee.
i. Testing and commissioning of components and systems witnessed by competent person, permit holder, developer, Facility Licensee (FL) and WDL.
ii. Final Inspection of built facilities jointly by competent person, permit
iii. Temporary connection application for undertaking flushing, sterilization and water quality testing activities (if applicable) of built facilities.
iv. Issue of certificate of compliance for external reticulation system, supply mains and centralised service reservoirs where applicable.
v. Flushing and sterilization of external reticulation system, supply mains and centralised service reservoir by developer if facilities built by the latter.
vi. CCC issued under the Uniform Building Bye-laws for relevant water structures and reservoirs if applicable.
vii. Permanent connection of external reticulation system to the supply main; or supply mains built by the developer to a public mains identified by the WDL.
viii. Handing over of external reticulation system, supply mains and centralised service reservoirs if applicable.
ix. Twenty-four months defect liability period initiated upon date of handing over.
In the case where the WDL implements centralised service reservoirs and supply mains, the WDL shall be responsible for handing over completed facilities to the FL.
The WDLs appointed competent person and permit holders shall be responsible for obtaining approvals for the design of systems, for issuing a COC and to organize and arrange for inspection materials, testing and commissioning of facilities and for preparation of a defects list to be rectified before a certificate of completion can be issued. The permit holder appointed by the WDL shall undertake the construction of facilities in accordance with the approved plans and designs, and shall prepare adequately for undertaking for disinfection, connection and testing and commissioning activities.
I.2 SPECIFIC CONDITIONS FOR HAND OVER OF PUMPING STATIONS I.2.1 General
At the time of handing over, the competent person shall submit the following to WDL:
Factory Acceptance Test Report (where applicable)
PMT (for surge vessel) and PMA (for cranes & hoists) certificates from JKKP
As-Built Drawings
Operations and Maintenance Manuals
Testing and Commissioning Reports
Tools
Spare Parts
Warranty Certificates
Relevant Catalogues
Keys
Two (2) bound printed copies, and two (2) electronic copies of the O&M Manual, Reports and As-Built drawings, shall be handed over to the WDL.
I.2.2 The Contents and Requirements of Documentation
The contents, and requirements, for the above specified submissions are as follows:
Factory Acceptance Test Report for Pumps
Factory test report for the designated equipment shall contain the following information:
Reference to specifications and internationally recognized standards.
Extract of relevant sections of test standard.
Description of procedures adopted in carrying out tests.
List of calibrated measuring instruments and gauges.
Calibration report for measuring instruments and gauges from recognised institute or laboratory.
A plot of measured performance data against manufacturer’s published performance curves.
Signature of manufacturer’s engineer who conducted the test.
Signature of the Competent Person or his representative and the Licensee’s representative who witnessed the tests (if applicable).
Sketches, drawings or photographs showing the set-up of measuring instrument, gauges and equipment under test.
Test certificate for the pumps tested.
As-Built Drawings
The as-built drawings shall include the following information:
Plan view and section view for Mechanical Works showing the suction reservoir, arrangement of pumping equipment, drainage pumps (where applicable), suction and delivery pipes, surge protection equipment, and material handling equipment.
Plan and sectional views for Electrical Works showing the lighting and small power systems, lightning protection system, electrical and control boards, incoming electrical cabling, etc.
Tabulation of brand name, model no. and capacity / rating of major equipment and components for pumps and motors, electrical and control panels, Telemetry System.
Mechanical schematic drawings describing the Pumping System, Surge Protection System and Pump Control Systems.
Electrical schematic diagrams describing the electrical power supply routing systems to pumps, small power and lighting systems, Telemetry system and control systems.
Two electronic copies of all information provided shall be in CD ROM or DVD ROM using latest version of Autocad software.
Hard copy of relevant drawings to be bound in the O&M Manual.
As-built drawings to be endorsed by the Competent Person (civil engineer or mechanical engineer for pumping systems, and electrical engineer for power supply systems).
Testing and Commissioning Reports
The testing and commissioning reports shall include:
Table of Contents identifying the organization of the testing and commissioning reports in systematic and logical order.
Approved testing and commissioning procedures adopted.
Calibration reports pertaining to measuring instruments and gauges from recognized institutions and laboratories (including completion certificates).
Sketches, schematic drawings and photographs showing the set-up of measuring instruments and gauges.
Endorsed copy of testing and commissioning forms.
Explanation of variance of final measured data and design values.
Factory test report for pumps.
Operations and Maintenance Manuals
The complete O&M Manual shall comprise the following documents:
Table of Contents identifying each section of the document.
Emergency and agency notification procedures.
Operating Manual containing information on:
- Building / Equipment function - Building / Equipment description - Operating standards and logs - System description
- Operating routine and procedures - Special procedures (if any) - Basic trouble shooting procedures
Maintenance Manual containing
- Equipment data sheet and list of suppliers - Information on warranties
- Installation, operation and maintenance instructions - List of spare parts
- Preventive maintenance actions to be adopted by WDL
Test reports documenting set points, and observed performance during start up and commissioning.
As-built drawings in printed form and electronic media.
List of recommended spare parts.
Manufacturers’ technical literature comprising performance curves, technical catalogs and technical information.
I.2.3 Tools, Appliances and Test Equipment
Each tool, appliance and test equipment required to be supplied shall be marked clearly indicating its size and intended purpose and shall not be used in the installation of the plant.
Permit holder shall demonstrate to the WDL’s staff, the use of the tools, appliances, test equipment, trouble shooting and maintenance procedures before taken over by the WDL. All tools and appliances shall be placed in appropriately labelled storage boxes and shall be supplied complete with accessories including probes and power leads.
I.2.4 Operations and Maintenance Training Program Objective
The objective of the O&M training program is to provide the WDL staff with the knowledge to operate and maintain the Pumping System in accordance with design intent, manufacturers’ recommendations, and procedures contained in the O&M Manual. Training Documentation (Lecture notes and Presentation Slides etc) shall be supplied for the training. The training shall be conducted by persons having specific expertise in each aspect of the Pumping System.
Scope of Training
The objective of the training program shall be to instill a thorough understanding of all equipment, components, systems, and their operation. The training program shall include the following topics.
(a) Use of O&M Manual with an emphasis on:
Design intent
Description, capabilities, and limitations of the systems
Operation procedures for all modes of operation
Procedure for dealing with abnormal conditions and emergency situations
Use of operation manuals
1. Use of maintenance manuals
(b) Recommended procedures for collecting and interpreting specific performance data.
(c) Specialized manufacturers’ training programs.
The use and maintenance of Telemetry and SCADA systems.