Michael Pacholok, Director Purchasing and Materials Management Division City Hall, 18 th Floor, West Tower 100 Queen Street West Toronto, Ontario M5H 2N2 Joanne Kehoe, Manager Professional Services August 25, 2017 Posted via PDF – 9 pages ADDENDUM NO. 1 REQUEST FOR TENDER NO. 232-2017 FOR: ADVANCED SITE WORKS (OUTFALL) ASHBRIDGES BAY TREATMENT PLANT (ABTP) CLOSING DATE: SEPTEMBER 1, 2017, 12:00 NOON (LOCAL TIME) Please refer to the above Request for Tender document in your possession and be advised of the following: I. QUESTIONS AND ANSWERS: Q1: What is status of permit application – Application to Injure or Remove Trees? A1: Permit application has been submitted to City of Toronto Parks, Forestry & Recreation and is under review with request for review completion prior to tender call 232-2017 closing. Any updates prior to close date will be communicated via addendum. Q2: Will the hoarding be left in place or removed at the end of the contract? A2: The hoarding installed as part of Contract 17ECS-MI-02AB will be left in place at the end of the contract. Q3: How will Contractor access Provisional Area? A3: Please refer to enclosed Revised drawing 1001-2017-9-4 in this addendum dated August 2017. Q4. Does the City have a preference to how the trees need to be removed? A4. The means and methods for the removal of the trees is up to the contractor. Trees and vegetation must be removed in accordance with Specification Section 02200 – 2.5 Clearing and Cutting. Please refer to revised Section 02200 – Site Preparation in this addendum dated August 25, 2017. Q5. Are tree protection permit required? A5. The City has already applied for the required permit per the answer to Question 1. The contractor is not required to secure a permit to injure, destroy or protect trees. Q6. Is heavy equipment allowed? A6. The contractor may use machinery in accordance with Specification Section 02200 - 2.5.
Transcript
Michael Pacholok, Director Purchasing and Materials Management Division City Hall, 18th Floor, West Tower 100 Queen Street West Toronto, Ontario M5H 2N2
Joanne Kehoe, Manager Professional Services
August 25, 2017 Posted via PDF – 9 pages
ADDENDUM NO. 1
REQUEST FOR TENDER NO. 232-2017 FOR: ADVANCED SITE WORKS (OUTFALL)
ASHBRIDGES BAY TREATMENT PLANT (ABTP) CLOSING DATE: SEPTEMBER 1, 2017, 12:00 NOON (LOCAL TIME)
Please refer to the above Request for Tender document in your possession and be advised of the following: I. QUESTIONS AND ANSWERS: Q1: What is status of permit application – Application to Injure or Remove Trees? A1: Permit application has been submitted to City of Toronto Parks, Forestry & Recreation and is
under review with request for review completion prior to tender call 232-2017 closing. Any updates prior to close date will be communicated via addendum.
Q2: Will the hoarding be left in place or removed at the end of the contract? A2: The hoarding installed as part of Contract 17ECS-MI-02AB will be left in place at the end of the
contract. Q3: How will Contractor access Provisional Area? A3: Please refer to enclosed Revised drawing 1001-2017-9-4 in this addendum dated August 2017. Q4. Does the City have a preference to how the trees need to be removed? A4. The means and methods for the removal of the trees is up to the contractor. Trees and vegetation
must be removed in accordance with Specification Section 02200 – 2.5 Clearing and Cutting. Please refer to revised Section 02200 – Site Preparation in this addendum dated August 25, 2017.
Q5. Are tree protection permit required? A5. The City has already applied for the required permit per the answer to Question 1. The
contractor is not required to secure a permit to injure, destroy or protect trees. Q6. Is heavy equipment allowed? A6. The contractor may use machinery in accordance with Specification Section 02200 - 2.5.
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Q7. Are all the roots to be removed? A7. Roots shall not to be removed. Clearing and Cutting shall be in accordance with Specification
Section 02200 - 2.5. II. Photos from the Site Meeting:
Photo 1. Tree T16 and surrounding vegetation.
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Photo 2. Tree T16 tag.
Photo 3. Borehole No. 30 (BH30). Example of item Contractor is to leave as is.
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Photo 4. Tree T12 on or near the north boundary of the site.
Photo 5. View of west boundary of site looking north.
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Photo 6. View of Lake Ontario shoreline from southwest corner of site looking east-northeast. Should you have any questions regarding this addendum contact Christine Sze-Louie at (416) 392-0627 or [email protected]. Please attach this addendum to your Request for Tender document and be governed accordingly. Bidders must acknowledge receipt of all addenda in their Quotation in the space provided on the Quotation Request Form as per the Process Terms and Conditions, Section 1, Item 9 - Addenda, of the Request for Tender document. All other aspects of the Request for Tender remain the same. Yours truly, Joanne Kehoe Manager, Professional Services
Section 4 – Scope of Work Tender Call No. 232-2017 Contract No. 17ECS-MI-02AB
Revised Site Preparation
SECTION 02200 – PAGE 1 OF 3 August 25, 2017
REVISED SECTION 02200
SITE PREPARATION
PART 1 GENERAL
1.1 SUMMARY
This section covers the requirements for clearing the construction site, and installing silt fence and hoarding.
1.2 DEFINITIONS
Interfering or Objectionable Material: Trash, rubbish, and junk; vegetation and other organic matter, whether alive, dead, or decaying.
Clearing: Removal of interfering or objectionable material lying on or protruding above ground surface.
Provisional Clearing Area: Area that is not owned by the City. City is attempting to secure an easement. Clearing of this area will be done on a provisional basis.
1.3 SUBMITTALS
Shop Drawings:
.1 Shop drawings showing materials type, materials and dimensions to be used in the hoarding, chain link gate, silt fence and coir log.
1.4 QUALITY ASSURANCE
Obtain Engineer’s approval of staked clearing, cutting, and stripping limits, prior to commencing clearing and cutting.
PART 2 EXECUTION
2.1 GENERAL
Install tree protection as shown on contract drawings prior to commencing site clearing.
Install silt fence and fibre roll per Ontario Provincial Standards Drawings (OPSD) 219.131 and 219.120 respectively along the perimeter of the site as indicated on contract drawings and as specified.
Install hoarding around west edge of the site per contract drawings and specifications, once contractor shop drawings are approved.
Section 4 – Scope of Work Tender Call No. 232-2017 Contract No. 17ECS-MI-02AB
Revised Site Preparation
SECTION 02200 – PAGE 2 OF 3 August 25, 2017
Clear and cut all the site area within limits as indicated or specified.
Do not injure or deface vegetation that is not designated for removal.
Do not damage existing infrastructure including fences, boreholes, and test pits as shown in contract drawings.
2.2 LIMITS
As indicated in contract drawings and specifications.
Remove all cut and cleared materials, and any rubbish, trash, and junk generated during the Works from entire area within Project limits.
No clearing or cutting within 30 meters of the shore of Lake Ontario.
2.3 HOARDING
Install Hoarding according to Section 06100, HOARDING – ROUGH CARPENTRY
Paint the entire hoarding’s wood materials according to Section 09900, PAINTING.
2.4 CHAIN LINK GATE
Install 9 meter wide chain link gate according to Ontario Provincial Standards Drawings (OPSD) 972.102 per the drawings and specifications.
2.5 CLEARING AND CUTTING
Clear areas within limits shown in contract documents. Area designated as provisional is excluded from the contract unless notified otherwise in writing by the Engineer.
The Contractor shall clear all vegetation including, but not limited to, trees, shrubs, bushes, grass, etc.
It shall be the Contractors sole responsibility to review and understand the existing conditions (vegetation type, size, location, access, etc.) to be cleared within the contract limits.
Fell trees so that they fall away from facilities and vegetation not designated for removal.
Cut stumps flush with ground surface. Stump grinder shall be used as required.
Cut off shrubs, brush, weeds, and grass to within 20 mm of ground surface.
Section 4 – Scope of Work Tender Call No. 232-2017 Contract No. 17ECS-MI-02AB
Revised Site Preparation
SECTION 02200 – PAGE 3 OF 3 August 25, 2017
Do not use heavy machinery and excessive traffic that may compromise soil texture and increase soil erosion potential.
Disruption of topsoil below a depth of 150 mm is not permitted.
Soil may not be relocated within or piled onsite.
2.6 PROVISONAL CLEARING AREA
The contract drawings show a Provisional Clearing Area. Because of the schedule associated with securing the easement, it is not known at the time of tender if the Provisional Clearing Area will be cleared within this contract.
Using the Provisional Clearing Area for locating temporary facilities, parking and debris collection is prohibited.
2.7 DISPOSAL
Dispose of debris offsite.
Burning of debris onsite is not permitted.
Woody debris may be removed as timber or chipped. Chips may be sold to Contractor’s benefit. All wood debris must be removed from site.
Limit offsite disposal of clearing and cutting debris to locations that are approved by federal, provincial, and local authorities, and that will not be visible from Project.
