Part 1: Procurement for replacement and installation of domestic, combined, industrial and hypersonic water metres and their integration into the remote reading system in the water supply system of the Municipality of Kumanovo, and Part 2: Procurement of equipment for reducing water losses

Дополнителни информации

Open procedure NO 42/2017 for awarding a contract on public procurement for goods part 1 Procurement for replacement and installation of domestic, combined, industrial and hypersonic water metres and their integration into the remote reading system in the water supply system of the Municipality of Kumanovo, and Part 2: Procurement of equipment for reducing water losses.

For the performed procurement with placement and embedding of water meters and the other equipment, the bidder should submit the following:

— Certificates, catalogues, manuals, guarantee and other accompanying documentation prepared by the manufacturer.

— Attest from the manufacturer must be submitted in the course of delivery for each part of the procurement in particular.

— The water meters as part of the procurement should possess a Decision from the entry in the register of the Bureau of Metrology of the Republic of Macedonia.

— The water meters have a trademark which proves that calibration has been made in the Bureau of Metrology of The Republic of Macedonia.

— Signed and verified confirmation for replacement of the water meter which will be prepared for each embedded water meter.

— Signed and verified Interim Report with Bill of Quantities for the performed procurement with placement and embedding of the water meters and the other equipment.

— Signed and verified Final Report with Bill of Quantities for the performed procurement with placement and embedding of the water meters and the other equipment.

Method of payment.

The payment shall be effectuated as follows:

— The payment shall be effectuated with transfer order within 180 days, upon receiving the signed and verified invoices, submitted in the archive of the Contracting Authority upon the actually performed procurement and placement and embedding of the subject of procurement.

— The procurement shall be performed successively in accordance with the adopted dynamics for placement and embedding of the subject of procurement, approved by the Purchaser.

— The payment of the subject of procurement shall be effectuated by preparing and submitting an invoice which should contain the following:

- Name of the Orderer (contracting authority with seat, place, tax number, contract number, etc.).

- Quantities with a description of the goods defined per elements (technical features of the goods in accordance with the elements contained in the tender documentation, i.e. technical specifications as an integral part of the contract).

- Agreed unit prices for each element.

- Total price per elements.

- Total price of the invoice.

• VAT calculation.

Technical specifications.

Part 1 (package 1).

Replacement and installation of home, combined, industrial and ultrasonic water metres and their integration in the remote reading system in the water supply system of Kumanovo water metres standards.

— MKC EN ISO 4064-1:2015 Water metres for cold and hot drinking water - Part 1: Metrological and technical requirements,

— MKC EN ISO 4064-2:2015 Water metres for cold and hot drinking water - Part 2: Testing methods,

— MKC EN ISO 4064-5:2015 Water metres for cold and hot drinking water - Part 5: Installation requirements.

А. Home multiple-spray water metre with a wet mechanism.

— Technical requirements.

Water metres should be of the correctness class R80 (B class) according to MKC EN ISO 4064-1:2015 or equivalent prepared for radio reading, with a set of rubber gasket for flat joint union.

— To have an entry in the register– decision by the Bureau of Metrology of the Republic of Macedonia,

— Internal mechanism of water metres DN 15 -1/2" и DN 20 -3/4",

— Nominal flow Qn=of minimum 2.5 m3/h–to maximum 4.0 m3/h,

— Temperature range of the medium: 0

— Pressure: maximum 16 bar,

— Installation horizontal and vertical.

1. Mechanism:

— The mechanism should be prepared for radio reading,

— The pulse should be sent by an inductive method (without external manipulation through magnets,

— Register finder of the metre: min. 5 digits /4 indicators /1 flow indicator,

— Circular indicator: Rotor and rotary axis of 1 part,

— Cabinet: pressed in accordance with W421 or equivalent, brass according to DIN 50930-6 or equivalent,

— Filter: internally installed,

— Glass: special glass ready for direct mounting of radio modules, without a cable and screws (clip on) or equivalent,

— Impulse inductive transducer,

— Clarity of the display: when installing the module 3 of the 4 indicators and the complete register finder must be visible,

— Main ring: made of brass or equivalent.

2. Radio module:

— Directly mounting of the glass of the metre without additional cables and screws,

— Data transfer via a one-way continuous radio system,

— The number that is broadcast should be only the number of the metre itself,

— Opportunity through programming with an optical device to activate various alarm functions: leak detection, manipulation recognition,

— Frequency-free, free of charge frequency unified by the European Union for all manufacturers of radio equipment,

— Sending a signal with a one-way system without the need for a call,

— Transfer power: from 8mW to 16mW,

— The time of the impulse transfer is less than 10 seconds,

— Minimum range of data transfer from the installation place of the modules without additional amplifiers up to 400 m; or more,

— Protection class (protection against total immersion during installation in a manhole) at least IP 68 or equivalent,

— Life expectancy of the battery: from 10 to 15 years,

— Possibility for an upgrade to a GPRS system for transferring data for reading from one location in the future.

B. Ultrasonic water metre

1. Technical requirements

— Static cold water metre for ultrasonic volume measurement in combination with hardware and software for measuring the water flow and consumption, with the possibility to be integrated into an automatic remote reading system,

— Water metres with an integrated radio module shall be in accordance with the Law on Meteorology and the Rulebook on the Metres of the Republic of Macedonia and have an integrated radio module,

— To have an entry in the register-decision from the Metrology Bureau of the Republic of Macedonia.

2. Design:

— To prevent sedimentation of the dirt on the reflectors,

— Dirt does not affect the flow measurement,

— Brass body made of brass in accordance with DIN 50930-6 or equivalent,

— The design ensures that only the exact ultrasonic signals passing through the measuring unit will be measured,

— Installation of the metre in each position,

— Protection class (protection against total immersion during installation in a manhole) at least IP 68 or equivalent,

— Does not include air measurement,

— Life expectancy of the battery from 10 to 15 years.

3. Electronic data:

— The water metre should contain all the necessary components for recording the flow, water consumption as well as for calculating, logging and uploading of data,

— The water metre should be able to comfortably display the reading of the single line of at least the 8-digit display of units and symbols,

— All deficiencies and faults are displayed and recorded on the LC display,

— The electronics is equipped with a standard optical interface with the M-BUS protocol or equivalent. This interface can be used to communicate with adequate parametisation software and single reading,

— at least 8-digit LC display without light,

— module for energy saving,

— a list of events.

4. The metre should show additional information such as:

— flow direction,

— quantity,

— flow,

— errors,

— display test,

— active or inactive radio connection.

5. Radio module:

— Directly mounting of the glass of the metre without additional cables and screws,

— Data transfer via a one-way continuous radio system,

— The number that is broadcast should be only the number of the metre itself,

— Opportunity through programming by the operator with an optical device and manual tablet through a Bluetooth connection to activate various alarm functions: leak detection, manipulation recognition,

— Frequency-free, free of charge frequency unified by the European Union for all manufacturers of radio equipment,

— Sending a signal with a one-way system without the need for a call,

— Transfer power: from 8mW to 16mW,

— The time of the impulse transfer is less than 10 seconds,

— Minimum range of data transfer from the installation place of the modules without additional amplifiers up to 400 m; or more,

— Protection class (protection against total immersion during installation in a manhole) at least IP 68 or equivalent,

— Life expectancy of the battery: from 10 to 15 years,

— Possibility for an upgrade to a GPRS system for transferring data for reading from one location in the future.

C. Full equipment for remote reading, programming and configuration of radio modules including the software

1. Receiver with Bluetooth connectivity

— One-way communication with the radio modules for reading the radio signal from the modules,

— Power supply: installed batteries with a continuous operation of 10 - 15 hours,

— Communication of the receiver with the radio transmitter with a Bluetooth connection,

— Distinguishing of the modules through the serial number of the metre,

— Protection of at least IP 54 or equivalent.

2. Optical device for module programming

— Attachable to a Pocket PC,

— Serves for programming and setting of the parameters of radio modules.

3. Manual tablet

— A minimum 4 core processor with a minimum basic operation of at least 1.33 GHz,

— RAM Memory: minimum 2 GB LPDDR3 or equivalent,

— Data storage memory: a minimum of 32 GB of basic memory with the possibility of extension through the MicroSD card or equivalent with a minimum of 64 GB,

— Screen: minimum 8 '' touchscreen with a minimum of 1900 x 1200 resolution,

— Connection: Wi-Fi 82, 11a/b/g/n and minimum Bluetooth 4.0,

— Li-ion battery with a minimum of 5500mAh,

— Installed software package to be used for radio reading of radio-modules of water metres by coupled radio connection with compatible Bluetooth radio receiver as well as to be used for programming of radio modules on water metres,

— Data transfer should be enabled by direct use of USB interface or wirelessly enabled by direct use of Wi-Fi technology,

— Direct reading by walking or driving without changing the configuration of the metre,

— In the case of driving readings, it shall be possible to read the metres at a minimum speed of 40 Km/h (one pass) and to have a minimum QoS (Quality of Service) of 80 % of the total water metre operated by the route description,

— A system solution should provide all data in a state of the security level of minimum 128AES encryption from telegrams (data messages). Each water metre should have the option of having an individual key.

Part 2 (package 2).

Procurement of equipment for the reduction of water loss.

D. Equipment for zoning and monitoring of the water network

Portable ultrasonic flow and pressure metre.

1. Electronic unit

— At least one analogue input from 0 to 10V,

— At least one analogue input from 4 to 20mA,

— At least 4 digital opto-isolated inputs,

— Serial port RS232 or equivalent for programming.

2. Power supply data:

— Internally integrated battery LiFePOH or equivalent, minimum 40Ah with the possibility of it to be renewable by power supply,

— Possibility of amplification with at least one additional (external) battery.

3. Memory for data collection

— Flash memory: minimum 4 MB,

— USB pen Drive: minimum 4 GB,

— Real-time clock.

4.Modem and SIM card

— Functions: SMS, GSM, GPRS,

— Card Holder: External entry,

— The device should have an antenna.

5. Display and keyboard

— Character Number: minimum 2 lines x 20 characters, set-up light,

— Protection against water and dust IP 68 or equivalent.

6.Data in flow measurement

— Performance: Accuracy: at least ± 1.0 %,

— Linearity: at least ± 0.5 %,

— Repeatability: ± 0.2 % to 0.5 %.

7. Tube material:

— Carbon steel, cast iron, ductile iron, PVC, asbestos cement, polyethylene,

— The flow can also be measured on internal coating tubes with a prior definition of the thickness of the panel in the menu of the metre’s software,

— Inner diameter from 15 to 6000 mm.

8. Measurable media

— The type of drinking water and all other media that can transmit ultrasound,

— Hard particles: Up to 20 000 rrt (mg/l) with a few air bubbles,

— Ultrasonic sensors for the outer part of the tube (clamp-on) or equivalent,

— Types of ultrasonic sensors for the outer part of the tube (clamp-on) or equivalent,

— From DN15 to 100 mm,

— From DN50 to 1000 mm,

— From DN 300 to 6000 mm.

9. Data on ultrasonic sensors cable:

— Maximum length 200 m,

— Protection: protection against total immersion,

— Measuring units: m3, litres.

10. Data on pressure measurement

— Nominal range: 0..0, 10-0.25 - 0.40 - 0.60 -1.00 - 1.60 - 0..2.50 - 4.00 - 6.00 -10.0 - 16.0 - 25.0 - 40.0 - 60.0 -100.0 Bar. (by choice),

— Accuracy: at least 0.5 % to 0.6 bar - at least 0.35 % over 0.6 bar,

— Protection from water and dust,

— Cable length: Max. 200 m,

— Measuring unit: Bar, PSI.

11. Software for zonal monitoring of the water system

— Automatic data collection and control,

— Management with an unlimited number of measuring points,

— Protected mode of data management,

— An integrated system for data self-correction,

— Notification of anomalies by email,

— Using any computer with an internet connection through a Web application,

— Installation of Windows operating system.

E. EQUIPMENT FOR DETECTION OF DEFECTS

E.1. Geo-cholerator

— Central Unit,

— Correlation: 32bit with at least 10-bit amplitude,

— Resolution at least 5 cm,

— Number of calculated points: up to 100 000,

— FFT function,

— Coherence with constant display,

— Power supply of a battery with a working time of at least 12 hours,

— Charge: 2.5 to 5 hours,

— Charger: 220V and 12V.

1. Display:

— LCD screen or equivalent.

2. Filter:

— Analog, automatic or manual selection,

— At least 32 filter intervals,

— Automatic function for selecting the optimal filter,

— Graphical and numerical display of noise.

3. Cabinet:

Aluminium or equivalent.

4. Input parameters:

— up to 4 different pipe materials in one section,

— up to 4 different pipe diameters in one section.

5. Memory for at least 20 measurements

6. Probe transmitter

— Power at least 500mW,

— LCD display,

— Noise-defect and battery condition,

— Noise level,

— High and low filter,

— Automatic shutdown after a maximum of 45 minutes of inactivity,

— Protection: water and dust IP 65 or equivalent,

— Display: automatic backlight,

— Additional space for sensor and cable.

7. Sensors

— - Piezo-ceramic, waterproof or equivalent,

— - Noise measurement frequency: from 5 to 5000 Hz.

E. 2. Geophone

1. Central unit

— Headphones,

— Universal microphone,

— Triple adapter, small and large,

— Extension and spike to the sensor,

— Earth microphone-bell,

— Battery for at least 14 hours.

2. Technical specifications

2.1. The manner of operation:

— Display of minimal noise,

— Display of the spectrum of frequency,

— Pyramidal display of multiplication and frequency of noise,

— Possibility of long-acting,

— Display of noise in real time.

2.2. Filter:

At least 256 simple adjustable analogue and digital inputs in the filter.

2.3. Amplification:

— Manually at least 60 000 times,

— Automatically,

— Automatic hearing protection.

2.4. Operation:

Keypad, rotary knob, touchscreen.

2.5. Display:

— Colour display,

— Battery: - at least 14 hours,

— Cabinet: aluminium or equivalent,

— Protection: at least IP54 or equivalent.

2.6. Protection of the acoustic sensor:

— Universal microphone IP65 or equivalent,

— Earth microphone-bell IP 54 or equivalent,

— Sensitivity of the gas sensor: at least 1ррmН2,

— Measurement range: from 10 ppm to 50 000 ppm,

— Folding time: maximum 0.5 sec.

2.7. Gas sensor:

— Manual sensor with protection against water and dust,

— Earth sensor with protection against water and dust.

2.8. Programme equipment

— Option for storing data,

— Data to be ready for outbound conversion.

Note: The bidder, along with the bid, must also submit:

A statement confirming that the technical characteristics of the subject of the procurement have been met, as defined in the Bill of quantities of the procurement and the accompanying documentation-list of equipment, equipment manufacturer, catalogues and equipment certificates.

Потребни депозити и гаранции

The bidder selected as most advantageous one shall submit the guarantee for a high-quality performance of the contract to the Contracting Authority within 10 working days upon the contract conclusion. The guarantee for a high-quality performance of the contract shall be submitted within the determined period, as follows: by mail or personally in the headquarters of the Contracting Authority.