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Victor Tryl Acting Director

Purchasing and Materials Management Division City Hall, 18th Floor, West Tower 100 Queen Street West Toronto, Ontario M5H 2N2

David Ferguson Manager Construction Services

March 19, 2014

Via Fax & Email-21 Pages

ADDENDUM NO. 1 TENDER CALL NO. 65-2014 CONTRACT NO. 14SC-07RD

RE: NEILSON ROAD MAJOR ROAD RESURFACING AND POPLAR ROAD NEW SIDEWALK CONSTRUCTION

CLOSING DATE: 12:00 NOON (LOCAL TIME), MARCH 31, 2014

Please refer to the above Request for Tender (RFT) document in your possession and be advised of the following information.

1. CLARIFICATIONS: 1. Drawing Number P-8574-001 Sheet 1 of 14 the date should read February 19, 2014.

2. General Notes (3 pages) has been added as part of the contract. 3. Item 37A has been added as part of the contract with the revised Pricing Form Page 3-14 to

Page 3-19.

4. SP. 45 Supply and Install Detectable Warning Plates (10 pages) has been added as part of the contract.

Should you have any questions regarding this addendum contact Joan Blake by email at [email protected].

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Please attach this addendum to your RFT document and be governed accordingly. Bidders are to acknowledge receipt of all addenda in their Tender in the space provided on the Tender Cover Page as per Section 1 – Tender Process Terms and Conditions, item 8 of the RFT document. All other aspects of the RFT remain the same.

Yours truly David Ferguson, Manager, Construction Services Purchasing and Materials Management

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Tender Call No. 65-2014 CONTRACT No. 14SC-07RD NEILSON ROAD RESURFACING AND POPLAR ROAD NEW SIDEWALK CONSTRUCTION GENERAL NOTES

Page 1 of 3

Legislation, Regulation and Codes 1 All work within the City right-of-way shall be constructed according to the latest City of Toronto standard drawings and specifications. Ontario Provincial Standard drawings and specifications may, subject to the approval of the City of Toronto, be used where no City standard or specification is available. 2 All work shall be completed according to the current Occupational Health and Safety Act and Regulations for Construction Projects. The general contractor shall be deemed to be the constructor as defined in the act. 3 All temporary traffic control and signage during construction shall be according to the current Ontario Traffic Manual Book 7: Temporary Conditions Field Edition. Construction Notes 1 All material for sewer, forcemain, watermain, hydrants and appurtenances, shall be according to City of Toronto material/manufacturer specifications as required by Chapter 6, Material Specifications from Design Criteria for Sewers and Watermains manual. 2 Service connections and utility cuts made in road pavements shall be backfilled with unshrinkable fill according to TS 4.60. 3 All areas disturbed during construction within the City's right-of-way shall be restored to original or better condition and to the satisfaction of the contract administrator. Grass areas shall be treated with 100 mm of topsoil and shall be sodded according to TS 5.00 and TS 5.10. 4 All existing utilities shown on drawings (plan and profile) are for reference purposes only. The contractor shall satisfy themselves as to the actual location and depth of any utility and shall be liable for all or any damage. 5 Any discrepancies between site conditions and construction drawings must be reported to the City prior to commencement of construction and appropriate action taken to the satisfaction of the contract administrator. 6 All survey stake layout out points shall be verified in the field by the contractor prior to construction. Any discrepancies between the drawings and the layout shall be immediately reported to the City. 7 Attention is directed to the possibility of existing private sprinklers and lighting systems within the right-of-way, which are not shown on the plans. Locating, working around and protecting these systems shall be completed at no extra cost to the City.

Addendum No. 1, TCN 65-2014

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Page 2 of 3

8 At all locations where the proposed watermain crosses under or above the existing sewers, or utilities, Granular A bedding material is to extend from the lower pipe to the top of the upper pipe. Granular A to be compacted to minimum 98% of maximum dry density. 9 Contractor to provide adequate support during construction and a minimum of 300 mm vertical clearance between new watermain and existing gas mains. Minimum 600 mm vertical clearance between new watermain and gas mains larger than 300 mm diameter. 10 All existing watermains and sewer pipes larger than 300 mm diameter shall be supported according to drawing T-1007.01-4. 11 All dimensions are expressed in metres (m) and pipe sizes are expressed in millimetres (mm) unless otherwise noted. Contact Information 1 Prior to commencing any work within the municipal right-of -way, the contractor shall apply for a road occupancy permit from the City's right-of-way management unit district office. 2 All TTC traffic is to be maintained during construction of this {watermain, sewer or road}. In order to co-ordinate all disruptions in service, contractor to contact Mr. Murray Hill 416-393-3302 at least 48 hours prior to commencing construction. 3 Notify Toronto Water, Water Treatment and Supply at 416-397-0187 or send an e-mail message to [email protected] two weeks prior to excavation near the <size> mm transmission watermain so that a Toronto Water inspector may be present. 4 During the construction of {watermain / services or sewer / laterals} close to an existing transmission watermain, contractor to notify Toronto Water at 416-397-0187 at least 48 hours prior to construction. Original Data Source 1 Planimetric mapping data obtained from aerial photography dated ,2011. 2 Survey data updated ,2012. 3 Legal boundary obtained from Surveys and Mapping SSARA 2011. Road Reconstruction 1 Reconstruction of driveway entrances shall be according to T-310.050-8. 2 Limits of sidewalk / curb reconstruction are approximate, actual limits are to be confirmed in the field by the contract administrator. 3 Chainage is established from the centreline of construction and gutter grades are calculated along the gutter line.


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Page 3 of 3

4 Height of curb faces may vary along length of gutter, as shown on profile, or to be confirmed in the field. 5 Adjust all structures (maintenance holes, catch basins, etc.) to suit new design elevations including breaking down and removal of portion of top of structures to allow for minimum 150 mm adjustments. 6 All curb shall be constructed with a ledge at the back of the curb to facilitate future sidewalk construction. 7 Full depth saw-cuts are required at construction limits of existing curb, sidewalk and pavement unless otherwise shown. 8 Saw cut existing pavement, sidewalk, curb, gutter, driveways, walkways, etc. at construction limits to provide a clean joint for the proposed work. 9 Construct pedestrian sidewalk ramp at crossing locations according to T-310.020. 10 Existing entrance ramps to be re-instated. Vehicular sidewalk ramp shall be according to T-310.050-1. 11 Adjustment of approaches, walkways, and steps may be required. Limits are to be determined in the field by the contract administrator. 12 Existing asphalt thickness may vary, taper to match existing at construction limits (minimum 2.0 m). 13 Filter fabric to be placed under grates on all catchbasins to trap sediment. Silt traps are to be cleaned regularly and are not to be removed until such time as the curbs are constructed and the boulevards are sodded or backyards graded and sodded. Filter fabric for silt control to be Terra Fix 270R or approved equivalent.


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Tender Call No. 65-2014 CONTRACT No. 14SC-07RD NEILSON ROAD RESURFACING AND POPLAR ROAD NEW SIDEWALK CONSTRUCTION

ECS Linear Rev. 5.6a Page 1 of 10

SP.45 Supply and Install Detectable Warning Plates

Special Provision The Contractor shall supply and install detectable warning plates (radius to be determined on site) at the following Neilson Road intersection pedestrian ramps:

- Ellesmere Road - Trailridge Crescent - Purpledusk Trail - Livonia Place - Military Trail - Oakmeadow Boulevard - Keelar Boluevard - Sheppard Avenue East - Wickson Trail - Berner Trail - Silverbell Groove - Tapscott Road - Sewell Road

1. General

Section Includes: Labour, Products, equipment and services necessary for detectable warning plate. Work in accordance with the Contract Documents.

2. References:

ASTM A-48 – Class 30 B Gray Iron, Standard Specification for Grey Iron Castings CSA B651-12, Canadian Standards Association, Accessible Design for the Built

Enviroment. AODA-2009 Proposed Accessible Built Environment Standard. CAN3 A23.1, Concrete Materials and Methods of Construction.

3. Submittals:

Submit Product data to the Contract Administrator for approval indicating:

Material test reports are to be submitted by a qualified independent laboratory indicating the proposed material used are in compliance with the requirements and properties indicated.

Product storage, handling and installation requirements. Manufacturer’s maintenance instructions specifying maintenance practices for the type

of plate being used.

Submit Shop Drawings to the Contract Administrator for approval indicating:


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Fabrication details, Plate surface profile, and bolt locations.

Submit Samples to the Contract Administrator for approval 4. Quality Assurance

Qualifications:

Work of this Section is to be performed by installers trained and certified by the detectable warning plates’ manufacturer.

Installers to have a minimum of 1 year installation experience with similar types of plates and similar type of installation. Submit evidence of installer’s qualifications in writing to the Contract Administrator for approval. 5. Delivery, Handling and Storage

Deliver cast iron detectable warning plates as required for immediate installation.

Pack or crate plates to prevent damage in shipment or handling.

6. Warranty:

Submit manufacturer’s warranty in writing for Work of this Section to the Contract Administrator for approval. Warranty period shall be 5 years.

Warrant detectable warning plates to be free from defects in material and workmanship for a period of five years from the date of invoice. 7. Materials:

Cast Iron Plates supplied from Neenah Foundry Company (Neenah Wisconsin) or approved equal by the City

Cast iron plates shall meet the requirements of ASTM A-48, Class 30 B Gray Iron and ADA/ AODA Guidelines.

The casting of the iron in detectable warning plates shall be steel shot blasted and free of any attached sand or debris. Units having imperfections, chipped edges or cracks shall not be used. Cast iron plates shall be unpainted.

Cast iron detectable warning plates shall be 610 mm x 914 mm and shall have a minimum plate thickness of 7.9 mm. Two plates shall be bolted together for each ramp according to manufacturer’s recommendations.


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The truncated domes must conform to the dimensions contained in the Commission’s Streetcar Accessibility – Detectable Warning Details drawing, and be uniform in size, shape and texture;

- Detectable warning plates shall be skid resistant

Cast iron detectable warning plates shall have four vent holes to allow for the escape of entrapped air during installation. The vent holes shall be centered over each quadrant of the unit.

The top surface of cast iron detectable warning plates shall have truncated domes with a minimum base diameter of 21 mm and a maximum base diameter of 25 mm. The top diameter shall be a minimum of 50% and maximum of 60% of the base diameter. The height of the truncated dome shall be a minimum of 4.5 mm and a maximum of 5.5 mm.

Truncated domes in the surface of the cast iron detectable warning plates shall have a minimum center to center spacing of 59.5 mm and a maximum center to center spacing of 60.5mm.

8. Execution

Sidewalk

Sidewalk shall be constructed in accordance with the details shown the Commission’s Streetcar Accessibility – Standard Details for Typical Sidewalk Ramp.

The width of the ramp landing or curb ramp of sidewalk for the placement of cast iron detectable warning plates shall be 1829 mm at the TTC curb ramp location.

The width of the sidewalk curb ramp at cross-walk locations for the placement of detectable warning plates shall be determined from the design drawings and shall be verified in the field prior to installation of the warning plates. 9. Cast Iron detectable Warning Plate Installation

Cast iron detectable warning plates shall be installed at the locations indicated on the Drawings.

An assembled single unit cast iron detectable warning plate shall be lifted with lifting springs and placed over the full width of wet concrete of ramp landing or curb ramp of sidewalk at locations shown on Contract Drawings.

The detectable warning system shall be installed in fresh concrete flush with the adjacent sidewalk resulting in a snug fit between tiles to limit water infiltration around the perimeter of the system and between tiles, as directed by the Contract Administrator and installation procedures shall be according to the manufacturer’s specifications.


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Lifting springs shall be removed and the cast iron detectable warning plate shall be pressed into wet concrete to final elevation.

Finish concrete around assembly and remove any wet concrete that may have spilled on the plate surface. Refer to attachment 1 for standard drawings showing various arrangements of detectable warning plates.

10. Surface Tolerance

Cast iron detectable warning plate shall be recessed into the curb ramp so that the surface of the cast iron detectable warning plate, exclusive of the dome, is flush with the surface of the ramp, or not more than 3 mm above the surrounding sidewalk surface.

11. Acceptance

Cast iron detectable warning plates having imperfections, chipped edges or cracks will be rejected. Placement of cast iron detectable warning plates that fail to meet the requirements for Surface Tolerance will be rejected.

Any rejected cast iron warning plates or placement that fails the tolerance requirements shall be removed and either reinstalled or replaced by the Contractor. All costs associated with the removal, reinstallation or replacement of rejected detectable warning plates or rejection of surface tolerance shall be borne by the Contractor.

12. Measurement for Payment

Measurement of detectable warning plates shall be by metre length of 610mm width acceptably installed to the specified conditions as measured on site by the Contract Administrator. The length of plates shall be measured along the centre line of the plates.

Payment at the contract price shall be full compensation for supplying all equipment, labour and materials for the installation of cast iron tiles and all other items of work necessary to complete this item in accordance with the contract requirements.


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