2017-T-104 Addendum 2

201 Pages·2017·1.56 MB·English

by  Niagara Region

THE REGIONAL MUNICIPALITY OF NIAGARA

TENDER 2017-T-104 (RN 17-04)

Regional Municipality of Niagara
South Side Low Lift Sewage Pumping Station Upgrades
City of Niagara Falls

A D D E N D U M N O. (2)

I DIRECTIVE

This addendum shall form an integral part of the plans and specifications for the above project and
shall be read in conjunction therewith. This addendum shall, however, take precedence over all
requirements of the previously issued drawings and specifications with which it may prove to be at
variance, unless otherwise clarified by the Engineer.

This addendum must be signed by the Tenderer in the appropriate space and must be attached to
the back of the Form of Tender and placed in the Envelope for submission at the time of tendering.
Tenders not including this addendum signed as requested shall be rejected as informal.

II CLARIFICATIONS

Tender is to close as scheduled on Tuesday, April 11, 2017 at 2:00 pm. No extension will be
provided at this time.

III QUESTIONS

Q1 Reference Drawings I101- I202. Please confirm the CSO Tank and Wet Well
Ultrasonic Level Transmitters are existing? If the CSO Tank/ Wet Well Ultrasonic are
new, please provide spec section 13110.
A1 The CSO Tank Ultrasonic Level Transmitter is existing, the Contractor is responsible
for wiring the existing level transmitter to the new PLC panel. Only one Ultrasonic
Level Transmitter will be used for the CSO Tank. The Wet Well Ultrasonic Level
Transmitter is to be provided and installed by the contractor.
Please see the attached Spec Section 13110 for reference.

Q2 Reference Drawing I206. Please confirm the Wet Well Hi Level floats, ambient
temperature switches, door switches, and CO detectors are existing?
A2 This equipment is not existing. It is the Contractor’s responsibility to provide and install
all of this new equipment.

Q3 Is there an Equipment/ Instrument List available?
A3 An Equipment/Instrument list is not available.

Q4 Please provide a Network Architecture Drawing to clarify scope of Structured Cabling.
A4 Network Architecture Drawing is located on I203 in the contract drawing set. The
Region SCADA Standards have been attached for reference.
2017-T-104 (RN 17-04)
Addendum No. 2
Page 2 of 3
Q5 Section 11900 item 3.5.2 shown diesel fuel to be filled up by fuel oil storage tank
contractor. Section 16622 item 3.2 .6 indicated fuel tank shall be filled by electrical
contractor. Which one is correct?
A5 Section 11900 is correct; the diesel fuel is to be filled by the fuel oil storage tank
contractor.

Q6 In order to get cost estimate for transporting pre-purchased equipment to site, please
provide dimensions and weights of equipment.
A6 The equipment that is on hand and requires transportation from Region facilitated
storage is as follows:

Generator:
- 250”L x 88”W x 101”H – 30,000 lbs. (Generator, 4-point lift from base frame, spreader
bar(s) required.
- 48"L x 48"W x 25"H - 100 lbs. (Parts Box)
- 155"L x 48"W x 55"H - 1200 lbs. (Exhaust Silencer)
Pumps:
- 4 skids @ 115” x 42” x 48” (approx. 3,900 lbs. per skid)
- 2 skids @ 48” x 48” x 16” (approx. 1,600 lbs. per skid)
Valves:
- Various valves can be moved using small flatbed or pick-up truck

Q7 Is the Region of Niagara paying NPEI directly for the hydro upgrades?
A7 The Region of Niagara will pay NPRI for the supply and installation of the new
transformer and cables from the hydro pole to the new transformer pad. The Contractor
will supply and install secondary facilities, including 5-m tails at the transformer for
termination. The Contractor is to coordinate with NPEI the isolation and removal of the
existing transformer and secondary’s, installing the new transformer on new pad and
relocating the metering to the new pad.

Q8 Please provide complete bill of material from Westburne supplied to the Region under
this project.
A8 Specification 01645 Section 1.3.7 identifies the materials pre-purchased from
Westburne, and was purchased under Niagara Region Purchase Order 310143. The
successful Contractor will be provided a copy of the Purchase Order details.

Q9 Are we using existing underground conduits from pumping station to CSO tank area or
new to be provided?
A9 Conduits from the Pump Station to the CSO Tank are existing.

Q10 Section 13911 PLC Control Panel, Communications is missing. Please provide.
A10 Section 13911 PLC Control Panel has been provided in Addendum #1

Q11 There two new explosion proof motion sensors to be provided for this project. Please
provide locations.
A11 One is to be on the main floor of the pump station drywell and one is to be in the
basement of the drywell.
2017-T-104 (RN 17-04)
Addendum No. 2
Page 3 of 3

Q12 Please confirm what is the large circle with small circle in the centre in drawing E209
stand for.
A12 These circles are Bollards. Please see drawing C002 for entire site bollard layout.
Drawing C002 will take precedent for bollard count and layout.

Q13 Is new transformer to be installed on existing pad?
A13 The Contractor is to provide a new transformer pad.

Q14 Drawing E210 shown level transmitter to be relocated to beside lighting panel.
Drawing I203 shown level transmitters to be relocate to front door of PLC panel.
Which is correct?
A14 The level transmitter and solenoid valve shown to be relocated on E210 are for the
CSO tank. The level transmitters indicated to be relocated on I203 are for the wet well.
These are to be replaced under the contract. Specification 13110 has been added for the
Level Transmitters.

Q15 On drawings S205-S208, is there new steel required as part of this tender package per
the bolded items? If not is the hardware that is bolded part of this tender? See S206
Existing B-2 bracket as an example.
A15 On drawings S205-S208 the bolded items indicate “new” which is to be supplied and
installed by the successful Contractor under this Tender. Drawing S206 Existing B-2
bracket does not have hardware shown in bold.

END OF ADDENDUM NO. 2

NO. OF PAGES: 3

Date Issued: March 29, 2017

Signature: Vicki Lafford-Field
Purchasing Agent

THE TENDERER SHALL ADJUST HIS BID PRICE ACCORDING TO THE
CHANGES SPECIFIED IN THIS ADDENDUM.

Name of Company:

Tenderer's Signature:

Date: ___________________
Regional Municipality of Niagara Division 13
South Side Low Lift SPS Upgrades Instrumentation and Controls
Contract RN #17-04

DIVISION 13 – INSTRUMENTATION AND CONTROLS

INDEX

13105 ...................................................................................... GENERAL INSTRUMENTATION REQUIREMENTS

13110 ............................................................................................................. ULTRASONIC LEVEL TRANSMITTER

13160 ..................................................................................................................................................... HEAT DETECTOR

13161 ..................................................................................................................................................... MOTION SENSOR

13174 ......................................................................................................................................................... DOOR SWITCH

13305 .......................................................................................................................................................... FIELD WIRING

13911 ................................................................................................. PLC CONTROL PANEL, COMMUNICATIONS

Hatch Ltd.
Regional Municipality of Niagara Division 13
South Side Low Lift SPS Upgrades Ultrasonic Level Transmitter
Contract RN #17-04 Section 13110
1. GENERAL
1.1. General
1.1.1. The specifications define additional requirements and deviations from the
requirements set forth in Section 13105 – General Instrumentation
Requirements.
1.2. Performance
1.2.1. Sensor Operating Temperature: -45 to 90 (cid:176) C
1.2.2. Monitor Operating Temperature: -20 to 50 (cid:176) C
1.2.3. Accuracy: +/- 0.25 % of full scale
1.2.4. Maximum Blanking Distance: 300 mm
1.2.5. Beam Angle: < 6 degrees
1.2.6. Depth Range: max 30 m
1.2.7. Power: 120 VAC, 60 Hz
2. PRODUCTS
2.1. Sensor
2.1.1. Ultrasonic pulse transceiver with temperature compensation
2.1.2. Approved by FM and CSA for Class I and Class II Division 1 hazardous
locations.
2.1.3. Encapsulated enclosure housing of PVC, Kynar or other appropriate durable
corrosion resistive material. Provide an optional protection against accidental
submersion .
2.1.4. Signal cable length to fit the application.
2.2. Transmitter
2.2.1. Automatic false echo rejection.
2.2.2. Relative Humidity: 10 to 90 %, non-condensing
2.2.3. Front panel keypad for parameter selection.
2.2.4. NEMA 4X polycarbonate housing, unless otherwise noted.
2.2.5. Microsoft windows based graphical programming software
2.2.6. Local LCD display for level with indicators for alarms and status conditions.
2.2.7. SST tag wired to transmitter and to sensor.
2.2.8. Isolated output current 4-20 mA, linear to level for a max. load impedance of
750 ohms
Hatch Ltd. Page 1 of 3
Regional Municipality of Niagara Division 13
South Side Low Lift SPS Upgrades Ultrasonic Level Transmitter
Contract RN #17-04 Section 13110

2.2.9. One configurator / interface unit per transmitter unless multiple transmitters are
mounted in one location.
3. EXECUTION
3.1. General
3.1.1. Provide all stainless steel mounting hardware as required.
3.1.2. Install the sensor away from sidewalls to avoid signal interference
3.1.3. Provide R.S. conduit for cable between sensor and transmitter. Use additional
junction box, appropriate to the application, to extend the sensor cable to
transmitter, if required.
3.1.4. Where used to measure dry solids level, provide a vibrator on the tank to remove
solids from the tank walls.
4. SPECIFICATION
4.1. General
4.1.1. This section provides data sheets with process information.
4.2. Ultrasonic Level Transmitters

Service: Wet Well 1 Wet Well

Process: Cell 1 Level Cell 2 Level
Tag Name: WWL01 WWL01
P&ID no. . I202 I202
Fluid: wastewater wastewater
Temperature range: 0 to 25 (cid:176) C 0 to 25 (cid:176) C
Pressure range: Ambient Ambient
Installation detail:

Sensor:
Type: Ultrasonic Ultrasonic
Belden 8760 (1Pair Belden 8760 (1Pair
Signal Cable:
Tw, Shld). ) Tw, Shld). )
Maximum blanking: 300 mm (12") 300 mm (12")
Housing: Hermetically Sealed in Hermetically Sealed in
Kynar Kynar
Temp. Compensation.: Built In Built In
Submersible: Submerge shield Submerge shield

Transmitter:
4 - 20 mA isolated 4 - 20 mA isolated
Output/impedance:
(750 W ) (750 W )
Power Supply: 120 VAC, 60 Hz 120 VAC, 60 Hz
Enclosure: NEMA4x NEMA4x
Calibrator: Yes Yes
Measuring Range: 10 meters 10 meters
Accuracy 0.25% of range 0.25% of range
Hatch Ltd. Page 2 of 3
Regional Municipality of Niagara Division 13
South Side Low Lift SPS Upgrades Ultrasonic Level Transmitter
Contract RN #17-04 Section 13110

Programmable Alarm
6 6
Relays:
SPDT/ 24V, 1Amp SPDT/ 24V, 1Amp
Alarm contacts:
rated rated
RS232 / RS485/ RS232 / RS485/
Communications:
Modbus Modbus
Programmable
Yes Yes
Software:

Certification: CSA CSA
Transmitter: Class I Div. 1 Class 1 Div 1

Sensor: Class I Div. 1 Class I Div. 1

Area Classification: Class I Div. 1 Class I Div. 1

END OF SECTION 13110

Hatch Ltd. Page 3 of 3
Regional Municipality of Niagara
SCADA Standards Volume 1
Version 4

Regional Municipality of Niagara
Integrated SCADA Standards Manual

Volume 1

SCADA Standards Overview

Niagara SCADA Stds Volume 1 v4 Page 1 of 25
Regional Municipality of Niagara
SCADA Standards Volume 1
Version 4

Table of Contents

SECTION 1 RECORD OF UPDATES................................................................................................................3
SECTION 2 STANDARDS MANUAL OVERVIEW......................................................................................4
2.1 INTENT OF THE MANUAL...........................................................................................................................4
2.2 UPDATING THE MANUAL CONTENT.........................................................................................................4
2.3 PUBLICATION PROCEDURES.......................................................................................................................4
2.4 ENFORCEMENT OF THE SCADA STANDARDS..........................................................................................5
2.5 KEY CONTACT PERSONS.............................................................................................................................5
SECTION 3 SCADA EXPANSION PROTOCOL............................................................................................6
3.1 PURPOSE......................................................................................................................................................6
3.2 PROJECT TYPES............................................................................................................................................6
3.3 STAKEHOLDERS AND RESPONSIBILITIES....................................................................................................6
3.4 SUMMARY OF DELIVERABLES.....................................................................................................................8
3.5 PLC HARDWARE.........................................................................................................................................9
SECTION 4 SCADA DOCUMENT MANAGEMENT SYSTEM...............................................................10
4.1 GENERAL...................................................................................................................................................10
4.2 PRINTED DOCUMENT FORMAT................................................................................................................10
4.3 PRINTED DOCUMENT LOCATIONS...........................................................................................................11
4.4 ELECTRONIC DOCUMENT LOCATIONS....................................................................................................11
4.5 SDMS (SCADA DOCUMENT MANAGEMENT SYSTEM).........................................................................12
4.6 ELECTRONIC FILE NAMING CONVENTION.............................................................................................13
4.7 SOFTWARE VERSION CONTROL...............................................................................................................13
4.8 ELECTRONIC DOCUMENT TEMPLATES....................................................................................................13
SECTION 5 FIELD SIGNAL CONVENTIONS.............................................................................................14
5.1 INPUT VERSUS OUTPUT - DIRECTION CONVENTION..............................................................................14
5.2 ANALOG I/O............................................................................................................................................14
5.3 DISCRETE I/O...........................................................................................................................................15
SECTION 6 GLOSSARY AND ACRONYMS...............................................................................................18

Niagara SCADA Stds Volume 1 v4 Page 2 of 25
Regional Municipality of Niagara
SCADA Standards Volume 1
Version 4

Section 1 Record of Updates

Version Date Description of Revision
v1 February, 2009 Preliminary Draft
v2 April, 2009 Revised based on review meeting comments
v3 July, 2009 Revised based on review meeting comments
v4 September, 2009 Revised based on review meeting comments

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