PART E SPECIFICATIONS

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PART E

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TABLE OF CONTENTS

E1. APPLICABLE SPECIFICATIONS, STANDARD DETAILS AND DRAWINGS 1

E2. SOILS INVESTIGATION REPORT 1

E3. TEMPORARY USE OF CITY EQUIPMENT 1

E4. SALVAGE AND DEMOLITION 2

E5. DANGEROUS WORK CONDITIONS 2

E6. WASTEWATER FLOW DURING CONSTRUCTION 2

E7. CITY ASSISTANCE AND CALLOUTS 3

E8. PROTECTION OF EXISTING TREES 3

E9. TREES, SHRUBS, SOD AND GROUNDCOVERS 4

E10. LANDSCAPE MAINTENANCE 9

E11. TEMPORARY BY-PASS PUMPING 13

E12. UNDERGROUND SERVICES 15

E13. SHOP DRAWINGS 17

E14. WASTEWATER PUMPING STATION 20

E15. CONCRETE 21

E16. REINFORCING STEEL 22

E17. HYDRO TRANSFORMER PAD 24

E18. FOUNDATION WATERPROOFING 24

E19. METAL FABRICATIONS 27

E20. MASONRY 29

E21. CARPENTRY 31

E22. PREFABRICATED WOOD TRUSSES 33

E23. SHEET VAPOUR BARRIER 35

E24. AIR BARRIER 37

E25. BOARD INSULATION 38

E26. BATT AND BLANKET INSULATION 39

E27. ALUMINUM SOFFIT 40

E28. METAL ROOFING SYSTEM 40

E29. JOINT SEALERS 43

E30. STEEL HOLLOW METAL DOORS AND FRAMES 46

E31. PORTLAND CEMENT PARGING 48

E32. PAINTING 50

E33. GRAFFITI RESISTANT COATING 53

E34. SWING ARM HOIST AND CRANE 54

E35 MECHANICAL 55

E36. VENTILATION 62

E37. INSULATION 63

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E1. APPLICABLE SPECIFICATIONS, STANDARD DETAILS AND DRAWINGS

E1.1 The City of Winnipeg Standard Construction Specifications in its entirety whether or not specifically listed on From B: Prices, shall apply to the Work.

E1.1.1 Further to GC:2.4 (d), Specifications included in the Tender Package shall govern over The City of Winnipeg Works and Operations Division Standard Construction Specifications.

E1.2 The City of Winnipeg Standard Construction Specifications and the General Requirements are available in Adobe Acrobat (.PDF) format at the City of Winnipeg, Corporate Finance, Materials Management internet site http://www.city.winnipeg.mb.ca/matmgt/info.stm.

E1.3 The Drawings in Part F are applicable to the Work. E1.4 The following Drawings are applicable to the Work:

City Drawing No. Drawing

05329 Site Plan

05330 Underground Services 05331 Building and Roof Plans

05332 Elevations and Building Sections 05333 Wall Sections and Details 05334 Structural Floor Plans

05335 Structural Wall Elevations and Details 05336 Structural Reinforcing Details

05337 Miscellaneous Structural Details 05338 Mechanical Piping

05339 Mechanical Piping Plan and Details 05340 Mechanical Ventilation 05341 Electrical Floor Plans and Elevation

05342 Electrical Line Drawing, Schedules and Details 05343 Landscape Plan and Detail

E2. SOILS INVESTIGATION REPORT

E2.1 Further to GC:3.1, a geotechnical investigation has been carried out by AGRA Earth & Environmental Ltd on behalf of the City of Winnipeg. A copy of that report, reference WX-04932, dated June 1, 2000, is included in Appendix A at the end of these Specifications for the convenience of Bidders.

E3. TEMPORARY USE OF CITY EQUIPMENT

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E4. SALVAGE AND DEMOLITION

E4.1 All salvaged material and equipment as determined by the Contract Administrator prior to demolition shall remain the property of the City unless specifically noted otherwise. The Contractor shall deliver salvaged material to the Greater Winnipeg Water District Railway Terminal, 598 Plinguet Street and unload the material as directed at the Terminal.

The Contractor shall notify the Contract Administrator at least 48 hours prior to delivery of salvaged material

All demolished material and equipment as determined by the Contract Administrator shall be removed from the construction site, hauled and legally dispose of at no additional cost to the City. Record drawings #800 and LD-294 are provided for reference in Part F of these Specifications. Removal and delivery of salvaged material and disposal of demolished material shall be included with the unit price for “Wastewater Pumping Station”.

E5. DANGEROUS WORK CONDITIONS

E5.1 Further to clause GC 6.26 of the General Conditions, the Contractor shall be aware that pumping stations, underground chambers, manholes, and sewers are considered a confined space and shall follow the "Guidelines for confined Entry Work" as published by the Manitoba Workplace Safety and Health Division.

The Contractor shall provide the necessary precautions to safeguard against any confined entry hazard during construction and shall provide adequate safety protection for personnel engaged in this work and for all others who are exposed to the work environment under this Contract.

The Contractor shall be aware of the potential hazards which can be encountered in a wastewater pumping station, such as explosive gases, toxic gases and oxygen deficiency.

The air in a confined space must be tested before entry and continuously during the time that personnel are inside the space. Equipment for continuous monitoring of gases must be explosion-proof and equipped with a visible and audible alarm. The principal tests are for oxygen deficiency, explosion range and toxic gases. Testing equipment must be calibrated in accordance with manufacturer's specifications.

Ventilation must be provided for at least 15 minutes prior to entry and continue while the confined space is occupied. If no ventilation is supplied, a worker must wear a respirator to enter the confined space.

The Contract Administrator may shut down the Contractor if he determines the above guidelines are not being followed. The Contractor shall not resume his operations until the Contract Administrator is satisfied the Contractor is following the appropriate procedures. The Contractor shall have no claim for extra time or costs due to shut down for not following these safety guidelines.

E6. WASTEWATER FLOW DURING CONSTRUCTION

E6.1 Expected wastewater flows to the Crane Wastewater Pumping Station and available system storage time is as follows:

Average Dry Weather

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Peak Dry Weather

Flow (PDWF) 95.0 l/s Service Area Type Separate Allowable system

storage time for:

PDWF 1.9 Hours

ADWF 5.7 Hours

Allowable geodetic Elevation of Wastewater at Wet Well

or Inlet Manhole (Critical Basement Elevation) 228.23m

E7. CITY ASSISTANCE AND CALLOUTS

E7.1 Water and Waste Department Collection System personnel will be available to provide assistance to the Contractor for the station isolation and/or shutdown and pump start up without charge one time each for each occurance.

If the Contractor requires the assistance of City personnel more than the one time allowed for per station shutdown and pump start up and the call out is required to suit the Contractor's method of operation, a fee of $300.00 per hour for Collection System personnel will be charged to the Contractor and deducted from future Progress Payments.

E8. PROTECTION OF EXISTING TREES

E8.1 The City of Winnipeg, Public Works, Forestry Branch shall remove the trees and bush from the site within the limits indicated on the Drawings and prior to the commencement of the Work. The Contractor shall not remove or damage trees or bush beyond the limits indicated on the Drawings. The Contractor shall take the following precautionary steps to avoid damage from his construction activities to existing trees within the limits of the construction area.

(a) Do not stockpile materials and soil or park vehicles and equipment on boulevards within 2 metres of trees.

(b) Strap mature tree trunks with 25 x 150 x 2400 wood planks. Smaller trees shall be similarly protected using appropriate sized wood planks.

(c) Excavations shall be carried out in a manner to minimize damage to existing root systems. Where roots must be cut to facilitate an excavation they shall be neatly pruned at the face of the excavation.

(d) Work on site shall be carried out in a manner to minimize damage to existing tree branches. Where damage to tree branches does occur, the Contractor shall neatly prune the damaged branch.

(e) American elm trees shall not be pruned between April 1st and August 1st and Siberian elm trees between April 1st_{and July 1}st_{of any year under provisions of The Dutch Elm Disease} Act.

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E8.2 Protection of existing trees shall be included with the unit price for “Wastewater Pumping Station”. Replacement of damaged trees will be at the Contractor’s expense

E9. TREES, SHRUBS, SOD AND GROUNDCOVERS

E9.1 Description

This specification covers the supply and installation of trees, shrubs, sod and groundcovers. The Contractor shall furnish all labour, materials, equipment and services necessary to complete the work as shown on the Drawings and specified herein.

E9.1.1 Source Quality Control

The Contract Administrator will randomly inspect all plant material at the source upon request to do so.

Trees are to be grown in nurseries under proper cultural practices as recommended by the Canadian Nursery Trades Association.

Only those trees which have been grown for at least the four (4) previous years in local Manitoba nurseries located in an Agriculture Canada Plant Hardiness Zone designation of 2(a or b) or 3(a or b) and within a 250 kilometre radius of Winnipeg will be accepted. Trees that have been grown in plant hardiness zones 1 and 4 or greater will be rejected

E9.1.2 Maintenance

The Contractor shall be responsible for the maintenance of the planted material for a period of 2 years from the date of the Certificate of Total Performance. For areas planted after September 15th the maintenance period will commence on May 15th of the following year or such date as mutually agreed upon by all parties. The Contractor shall replace defective plants within three (3) days of notification by the Contract Administrator.

E9.1.3 Warranty

Further to GC 13.2 of the General Conditions, the Contractor shall, at their expense, maintain the Work against any and all defects or deficiencies resulting from insect infestation, disease and mechanical damage due to improper handling, installation or maintenance, for a period of two (2) years from the date of the Certificate of Total Performance. Nursery stock damaged by

vandalism or reasons beyond the control of the Contractor shall be replaced by the client. End-of-Warranty inspection will be conducted by the Contract Administrator.

The Contract Administrator reserves the right to request material replacement or extend the Contractor's Maintenance responsibilities for an additional one (1) year if, at the end of the two (2) year Warranty Period, leaf development and growth are not sufficient to ensure future survival of the tree or shrub.

E9.1.4 Replacements

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The Contractor shall continue such replacement, Maintenance and Warranty until tree is acceptable.

E9.2 Materials

E9.2.1 Water

Water is to be potable and free of minerals which may be detrimental to plant growth. E9.2.2 Bark Mulch

Bark Mulch pieces shall be no longer than 125mm in any one direction.

Bark Mulch shall be locally supplied from tree specimens free from disease and fungus. Bark Mulch shall not contain soil, stone or any other deleterious material.

E9.2.3 Planting Soil

As per City of Winnipeg Specification CW 3540-R2 E9.2.4 Sod

As per City of Winnipeg Specification CW 3510-R7 E9.2.5 Root Ball Burlap

Root ball burlap is to be 150 g Hessian burlap, biodegradable. E9.2.6 Wire Baskets

Wire baskets are to be a horticulturally accepted product designed to carry the weight and to contain a burlap-covered root ball. Minimum diameter basket size is to conform to the same minimum diameter of the tree root ball for the respective minimum tree calliper sizes. E9.2.7 Fertilizer

Fertilizer is to be a slow release formulation of low nitrogen and high phosphorus e.g. 10-50-12. Apply quantities at rates stated by product manufacturer.

E9.2.8 Tree Material

(a) Nomenclature of specified trees is to conform to the International Code of Nomenclature for Cultivated Plants and is to be in accordance with the approved scientific names given in the latest edition of the Standardized Plant Names.

(b) All trees are to be supplied in accordance with the Work of this Contract and shall be inspected by the Contract Administrator at the nursery site. At the time of inspection, the Contractor shall permanently tag a suitable branch of each tree with a distinct code clearly indicating that the City of Winnipeg Water and Waste Department will be the intended recipient of that tree. The tag and code must be approved at least two (2) weeks in advance of their use by the Contract Administrator.

(c) The tag must be kept on the tree at the time of planting, and removed only when authorized in writing by the Contract Administrator.

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(e) Each tag will identify the species of the tree and its calliper at the time when the tag is placed permanently on the tree.

(f) All tree tagging operations will be conducted after Award of Contract to the Bidder. (g) The use of trees requiring treatments as ordered by Agriculture Canada is prohibited. (h) Trees are to be characteristically developed for their species and structurally sound, well

branched, healthy and vigorous and densely foliated when in leaf. The tree is to have a healthy, well developed, fibrous root system which may be verified through a testing procedure that destructively samples one or more randomly selected root balls.

(i) Trees are to have been root pruned regularly, but not later than one growing season prior to arrival on Site. The Contractor may be required to furnish documentation to the client on their root-pruning program. Trees in excess of 75 mm calliper are to have been half root pruned during each of two successive growing seasons, the latter at least, one growing season prior to arrival on Site.

(j) All parts of the trees, especially the lower branches, are to be moist and show live, green cambium tissue when cut.

(k) Trees are to have only one, sturdy, generally straight and vertical trunk, and a well balanced crown with fully developed leader.

(l) Trees are to be free of disease, insect infestation, rodent damage, sun scald, frost cracks, abrasions, unhealed scars, scars exceeding 5 cm in diameter, major forks or crooks in the trunk, broken branches, or angled leaders. Trees having the above defects will not be accepted.

(m) Trees having a leader which has developed at a sharp angle to the trunk as a result of pruning or trunk damage will not be accepted.

(n) Trees exhibiting suppressed, weakly developed branches due to competition from other closely spaced trees in the nursery and trees exhibiting dead branches will not be accepted. (o) Any tree that has come out of dormant stage and is too far advanced will not be accepted

unless prior approval obtained. Approval is required for any tree which has been held in cold storage.

(p) Balled and burlapped trees in excess of a 3 m height must have been dug with large firm ball. Roots in root balls must be comprised of 75% fibrous and feeder root systems. Secure root balls with burlap, heavy twine and rope. For trees 75 mm or more in calliper, wrap ball in double layer of burlap and drum lace with minimum 10 mm diameter rope. Protect root balls against sudden changes in temperature and exposure to heavy rainfall. (q) Tree spade dug trees are to be dug with mechanized digging equipment with hydraulic

spade. Lift root ball from hole, place in wire basket designed for purpose and lined with burlap. Tie basket to ball with minimum 10 mm diameter rope. Trunks that are injured by this process will not be accepted.

(r) Use of collected or native trees is not permitted. E9.2.9 Tree Quantity and Size

(a) Trees are to be planted at the quantities and callipers listed on Plant List (Table E9.2.9). Any variations to species, size or calliper of specified trees will require a request for approval from the Contract Administrator.

(b) Any changes in planting locations will be determined on-site by the Contract Administrator. (c) Trees are to conform to the measurements specified in the PLANT LISTS, except that trees

larger than specified may be used if approved by the Contract Administrator. (d) Trees are to be measured when the branches are in their normal position. Height

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prior to lifting. Calliper of tree shall be appropriately designated on a permanently fixed tag on one of the branches.

Table E9.2.9 - Plant List:

QUANTITY COMMON NAME / BOTANICAL NAME SIZE AND REMARKS

DECIDUOUS TREES

6 Amur Chokecherry / Prunus mackii 65mm caliper, min. 3000mm ht.,min.

950mm wide rootball, single straight stem, balanced head. Lateral branching to begin no closer to the ground than 1200mm ht.

CONIFEROUS TREES

8 Siberian Cedar / Thuja occidentalis

‘Warreana’ Min. 1800mm ht., min. 600mm wide _{rootball. Dense, bushy growth, with no}

bare spots.

6 Pyramidal Cedar / Thuja occidentalis

‘Brandon’ Min. 2400mm ht., min. 600mm wide _{rootball. Dense, bushy growth, with no}

bare spots.

SHRUBS

25 False Spirea / Sorbaria sorbifolia Min. 500mm ht., min. 5 major basal stems,

dense bushy plants, container.

43 ‘Diabolo’ Ninebark / Physocarpus

opulifolus ‘Diabolo’ Min. 500mm ht., min. 5 major basal stems, dense bushy plants, container.

61 Goldflame Spirea / Spiraea x bumalda

‘Goldflame’ Min. 400mm ht., min. 5 major basal stems, dense bushy plants, container.

33 Calgary Carpet Juniper / Juniperus sabina

‘Calgary Carpet’

Min. 500mm spread, dense bushy plants, container, strong green colouration, no yellowing.

E9.2.10 Shipment and Pre-Planting Care

(a) Coordinate shipping of trees and excavation of holes to ensure a minimum of ten (10) days time between digging and planting.

(b) Tie branches of trees securely, and protect trees against abrasion, exposure and extreme temperature change during transit. Avoid binding of trees with rope or wire which would damage bark, break branches or destroy natural shape of tree. Give full support to root ball of trees during lifting.

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(d) Remove broken and damaged roots with sharp pruning shears. Make clean cuts, and cover cuts over 10 mm diameter with a tree wound dressing.

(e) Keep roots moist and protected from sun and wind. Heel-in trees which cannot be planted immediately in shaded areas and water well.

E9.3 Execution / Methods

E9.3.1 Workmanship

(a) Location of trees will be staked out or painted on Site, in accordance with the landscape drawings, by the Contractor. Locations shall be approved by the Contract Administrator prior to installation.

(b) Keep Site clean and planting holes drained. Immediately remove soil or debris spilled onto street pavement, grass or sidewalk.

E9.3.2 Planting Time

(a) Plant deciduous trees during dormant period before buds have broken.

(b) Plant only under conditions that are conducive to health and physical conditions of trees. (c) Provide planting schedule to Contract Administrator. Extending planting operations over

long period using limited crew will not be accepted.

(d) The Contractor must obtain all above and below ground clearances from all utilities in a timely manner so as not to jeopardize the schedule of the complete tree planting Contract. E9.3.3 Excavation

(a) Excavate planting pits as indicated by stakes or paint marks. (b) Protect bottom of excavations against freezing.

(c) Remove water which enters excavations prior to planting. Ensure source of water is not ground water or from broken City water main pipe.

E9.3.4 Installation

(a) Planting shall be done during periods of suitable weather conditions and in accordance with locally accepted practice.

(b) Trees are to be planted within forty eight (48) hours of excavation from the nursery.

(c) No tree pit is to be left open at the end of the Contractor's Work Day. Planting program is to be planned to ensure that all approved trees delivered to the Site at designated planting locations are installed and thoroughly watered the same day as delivery.

(d) Loosen bottom and sides of planting hole to depth of 100 - 150 mm.

(e) Plant trees vertically. Orient trees to give best appearance in relation to structure, roads and sidewalks.

(f) Place trees to depth equal to depth they were originally growing in nursery.

(g) With balled and burlapped root balls and root balls in wire baskets, loosen burlap and cut away the top 1/3 without disturbing root ball. Do not pull burlap or rope from under root ball. Non-biodegradable wrapping must be removed.

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(i) Each tree is to have an earth saucer at its base having a diameter as large as the excavation with a 10 cm lip formed at the perimeter of the saucer to retain water. E9.3.5 Fertilizing

(a) When planting is completed, give surface of planting saucer dressing of a fertilizer with an N-P-K ratio of 15-30-15 or approved equal. Mix fertilizer thoroughly with top layer of planting soil and water in well as per manufacturers specifications.

E9.3.6 Pruning

(a) The Contractor shall provide a person with a Manitoba Certified Arborists Licence for each Work crew or Work Site.

(b) Prune trees after planting to compensate for loss of roots suffered during transplanting. Postpone pruning of those trees where heavy bleeding may occur, until in full leaf. Employ clean sharp tools and make cuts flush with main and secondary branch collars, smooth and sloping to prevent accumulation of water.

(c) Remove projecting stumps on trunks or main branches. Remove dead and injured branches and branches that rub causing damage to bark. Trim out crown of trees without changing their natural shape. Do not damage lead branches or remove smaller twigs along main branches.

E9.3.7 Watering

(a) Trees are to be watered during the planting procedure as described previously, and once a week thereafter, or more frequently if required, during the growing season.

(b) A complete record is to be kept of each series of waterings for all planted trees noting: 1) location, and 2) date of watering. This record shall be sent bi-weekly to the Contract Administrator.

(c) Apply 40 litres of water per 25 mm calliper per application using deep root feeder or low/pressure nozzle and hose. The water stream must not gouge out a hole in the soil and mulch.

E9.4 Measurement and Payment

Trees, shrubs, sod and groundcovers will be measured on a unit basis and paid for at the Unit Price for “Landscaping”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

Number of units to be paid for will be the total number of landscaping installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E10. LANDSCAPE MAINTENANCE E10.1 Description

E10.1.1 This specification shall cover the maintenance of trees from the time of installation and for a period of two years from the date of Total Performance. The Contractor shall furnish all labour, materials, equipment and services necessary to perform the work according to the Drawings and Specifications. In general, work shall include:

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(c) Watering (d) Weed Control

(e) Pest and disease control

(f) Tree support repair and adjustment (g) Tree pruning

(h) Winter preparation E10.1.2 Protection

Prevent damage to fencing, other trees, landscaping, benches, buildings, pavement, surface and underground utility facilities due to maintenance equipment and personnel.

E10.1.3 Maintenance Schedule

The Contractor shall provide a complete written Maintenance schedule to the Contract Administrator prior to the issuing of the Certificate of Substantial Performance.

The Maintenance Schedule shall indicate days of week dedicated to on-site maintenance (weather dependant) subject to random inspection by Contract Administrator.

The Maintenance Schedule shall indicate what maintenance practice will be performed weekly/monthly/seasonally.

All maintenance of trees and shrubs to be supervised by a Manitoba Certified Arborist. E10.1.4 Documentation and Reporting

Record in a logbook the operations carried out and any conditions that require attention or monitoring. The arborist shall submit a summary of the information as a monthly report to the Contract Administrator. Conditions requiring attention should be brought to the Contract Administrator's attention immediately.

The contractor should review the site regularly and adjust maintenance operations to suit observed conditions. A Site Maintenance Inspection Form (supplied by the Contract

Administrator) should be used to record each site visit. Completed copies of these forms shall be sent to the Contract Administrator biweekly.

Report in writing any major maintenance procedures intended, minimum one week in advance. If any damage, dangerous or potentially dangerous situations related to landscape works are observed, the Contractor shall notify the Contract Administrator immediately.

E10.1.5 Failure to Document and Submit

If the Contractor fails to submit a monthly report it shall be assumed the work was not performed for that time period. Payment for Landscape Maintenance shall be reduced by 1/6th for every month a report is not submitted.

E10.1.6 Qualifications

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E10.1.7 Certificate of Acceptance

The Certificate of Acceptance for landscape works will be issued upon completion of the two (2) year Maintenance Period, provided that trees are well established and rooted, properly pruned and showing vigorous growth satisfactory to the Contract Administrator.

Unacceptable trees or shrubs shall be removed and replaced according to the required specifications. Maintenance of replacement items shall be extended for a period equal to the original Maintenance Period as specified herein. The Contract Administrator shall make further inspection after the additional Maintenance Period.

Replacement and maintenance requirements shall continue until the material is accepted.

E10.2 Materials

E10.2.1 Fertilizer

Fertilizer shall be complete synthetic slow release fertilizer with maximum 35% water soluble nitrogen.

E10.3 Construction Methods

E10.3.2 Spring Cleaning

Remove any dead vegetation, leaves and debris. Heavy raking shall be done with a flexible grass rake on areas with snow mold. Lightly roll areas where grass plants have lifted due to frost action.

E10.3.3 Fertilizing

Soil testing shall be carried out by a recognized testing facility prior to fertilizer application to ensure a properly formulated program.

Fertilizer shall be spread evenly at frequency, ratio and rates as recommended by Manufacturer. Use approved mechanical spreading equipment. Check calibration to ensure specified rate is spread evenly. Water immediately after fertilizing. Rectify uneven spreading as soon as it becomes apparent.

E10.3.4 Watering – General

Water shall be applied as required to supplement rainfall and to maintain optimum growing conditions. Allow soil to adequately dry between watering to prevent over saturation without creating water stress.

Water shall be applied in a soft spray to avoid packing of soil.

Use of the installed irrigation system is prohibited unless approved by the Contract Administrator.

Do not impede use of sidewalk and other paved areas. E10.3.5 Watering of Trees

Water every third day for first and second month after planting. Thereafter, water once per week between May 1 and October 15.

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Apply 40 litres of water per 25mm calliper per application using deep root feeder or low-pressure open flow nozzle and hose. The water stream must not gouge out a hole in the soil and mulch. E10.3.6 Weed Control of Trees

Surface of tree planters shall be maintained free of weeds. Do not allow weeds to establish for a period longer than one (1 week).

Obtain written approval of Contract Administrator prior to using any herbicides. Do not use dicamba and picloram solutions near trees.

E10.3.7 Pests and Disease Control

Obtain written approval of Contract Administrator prior to using any pesticide.

Control pests and disease through pruning or application of pesticides. Use species specific pesticides where possible. Use only pesticides of low mammalian toxicity. Strictly follow manufacturer's written instructions.

E10.3.8 Cultivating Planting Beds

Cultivate whenever required to keep top layer of soil, loose, friable and free from weeds. Any operation must be continuous without interruption.

Cultivate surface of planting bed, and soil areas around trees. Remove weeds including their roots.

Take care not to damage roots of shrubs or flowers. Use small hand tools for areas of closely planted shrubs and/or perennials.

Collect and dispose of paper and refuse. Remove dead plants, leaves, branches, dead flowers and seed pods.

Clean, by hand, areas that are covered with mulch. Loosen top layer of mulch without mixing it with soil underneath.

Add mulch as required to maintain specified thickness. E10.3.9 Tree Supports and Tie Adjustments

Maintain tree supports and ties in proper repair.

Remove supports and ties as directed by Contract Administrator. Straighten any tree which is leaning.

E10.3.10 Tree and Shrub Pruning

The Contractor shall provide a person with a valid Manitoba Arborist’s License for each Work crew or Work Site.

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Employ clean sharp tools. Make cuts co-incident with the branch collar near the main stem or branch. Cuts must be smooth and sloping to prevent accumulation of water on cut. Do not leave little stumps ("horns") on trunks or main branches.

E10.3.11 Winter Preparation

Rake and assemble leaves after they have been shed by trees. Remove from site.

Protect trees from rodent damage using fine wire mesh or approved plastic protector beyond snow line or by applying rodent repellent sprays.

Ensure adequate moisture in root zones of trees material prior to freeze-up. Apply anti-desiccant to evergreen trees susceptible to winter desiccation.

E10.4 Measurement and Payment

The work of this Specification is to be included in the Unit Price for “Landscaping”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

E11. TEMPORARY BY-PASS PUMPING E11.1 Description

This Specification covers supply and installation of temporary by-pass pumping, temporary secondary power, flow and alarm monitoring, weir removal and replacement and associated works during the Work.

E11.2 Materials

E11.2.1 Temporary Pumps

Provide one or two non clog submersible wastewater sewer pumps sized to meet or exceed a total capacity of 150 l/s complete with control panel. The Contractor shall have a replacement pump of the same capacity as the pump(s) provided readily available on site to immediately replace an installed temporary pump if it fails.

Provide flygt balls and all mechanisms necessary for temporary by-pass pump actuation. E11.2.2 Temporary Forcemain

Temporary forcemain pipe shall be of suitable size to handle temporary pumping capacity. The temporary forcemain material shall be suitable for pressurized pump flow and be approved by the Contract Administrator prior to installation.

E11.2.3 Bedding

Bedding shall be Class B in accordance with CW 2030 and SD-001. E11.2.4 Backfill

Backfill shall be Class 3 in accordance with CW 2030 and SD-002. E11.2.5 Temporary Pipe Segment

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E11.2.6 Wiring

Wiring for temporary by-pass pumping equipment shall meet electrical codes, gauged according to voltage and amperage drawn by temporary pumps.

E11.3.1 General

The existing pumping station shall remain in service until the temporary by-pass pumping has been installed, operable and acceptable to the Contract Administrator.

E11.3.2 Temporary Pumps

Install temporary pumps in the gate chamber between the flap gate and the control valve of the wastewater control structure shown on the Underground Services Drawing.

E11.3.3 Temporary Forcemain

Temporary forcemain shall be installed and connected to existing forcemain as shown on the Underground Services Drawing using trenchless methods in accordance with CW 2110. Abandon temporary forcemain in accordance with CW 2130.

E11.3.4 Temporary Pumping Activities

The Contractor shall perform the following activities associated with temporary by-pass pumping: (a) Install Flygt balls for pump control and high water alarm in wastewater control structure. (b) Secure flap gate in open position

(c) Ensure positive gate is closed

(d) Install temporary electrical wiring from new transformer to control panel for temporary pumps

(e) Setup salvaged alarm panel and wiring for temporary alarm monitoring. E11.3.5 Positive Gate Operation

The Contractor shall be responsible for the operation of the positive gate during spring runoff and high river water level as follows:

(a) open positive gate when wastewater level reaches critical elevation indicated in E6 and is higher than river water level.

(b) close positive gate when wastewater level drops to river level.

(c) repeat sequence as required until wastewater level remains below river elevation. E11.3.6 Weir Removal and Replacement

Remove and salvage the existing stop logs and remove the concrete weir to the invert of the manhole. Construct a new concrete weir in accordance with CW 2160 and as shown on the Underground Services Drawing once the pumping station is operational and by-pass pumping is no longer required.

E11.3.7 Temporary Pipe Segment

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E11.3.8 Electrical Connections

Make all electrical connections for temporary power and monitoring. E11.3.9 Hydro Transformer

Hydro transformer shall be supplied and installed by Manitoba Hydro. The hydro transformer shall be 150 kVA PMT for 3 phase, 4 W, 600/347 volt service and will be set up for metered temporary service and four conductors (1000 mcm each). Temporary service meter shall be provided by the Contractor.

Two service lines will be required to run from the hydro transformer, one for the Contractor’s temporary secondary line and one for the permanent secondary line to the new pumping station. E11.3.10 Secondary Wiring to Temporary Pumps

Install secondary wiring underground from secondary lugs of the new hydro transformer to the temporary pumps. Conduit shall be installed using trenchless methods under Crane Avenue for the wiring.

The Contractor shall provide the Contract Administrator the required voltage of the pumps. E11.3.11 Monitoring

Supply and install all electrical and electronics to activate temporary pumps and alarm. Alarm signal shall be sent via salvaged crane panel through existing wires to City of Winnipeg McPhillips Station. Install wiring from temporary Flygt ball high water alarm to the City’s alarm wiring in the salvaged alarm panel. Coordinate with City of Winnipeg, Water and Waste, Electrical and Instrumentation Section to be present when connection is made to alarm panel. E11.3.12 Shop Drawings

The Contractor shall submit Shop Drawings to the Contract Administrator in accordance with CW 1110 and E13 for temporary pumping equipment, controls, wiring and forcemain within two (2) days of award of the Contract.

Temporary By-Pass Pumping will be measured on a unit basis and paid for at the Unit Price for “Temporary By-Pass Pumping”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

Number of units to be paid for will be the total number of landscaping installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E12. UNDERGROUND SERVICES

E12.1.1 General

This specification shall cover the installation of the forcemain, wastewater sewer inlet pipe, water service, vent pipe and associated items.

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The word “forcemain” shall be substituted wherever the word “watermain” appears in Specification CW 2110-R6.

E12.2 Materials

E12.2.1 Pipe

Forcemain pipe shall be in accordance with CW 2110. Pipe size shall be as shown on the Underground Services Drawing.

Wastewater sewer inlet pipe shall be ASTM C76-V. Pipe size shall be as shown on Underground Services Drawing.

Vent pipe shall be ASTM D3034, SDR 35 PVC. Pipe size shall be as shown on the Underground Services Drawing.

Water service shall be in accordance with CW 2210. pipe size shall be as shown on the Underground Services Drawing.

E12.2.2 Fittings and Couplings

Fittings and couplings shall be only those products listed as Approved Products for underground use in the City of Winnipeg.

Cast iron fittings shall conform to ANSI/AWWA C110/A21.10 suitable for 103 Mpa working pressure. Fittings shall be complete with integrally cast flanges.

Interference fit flexible rubber boot or gasket insert for PVC pipe connecting to existing concrete manholes shall be in accordance with CW 2130.

E12.2.3 Fasteners, Tie Rods, Clamps, Nuts and Bolts

Fasteners, tie rods, clamps, nuts and bolts shall be stainless steel in accordance with CW 2110. E12.2.4 Bedding

Bedding shall be Class B in accordance with CW 2030 and SD-001. E12.2.5 Backfill

Backfill shall be Class 3 in accordance with CW 2030 and SD-002.

E12.3.1 Forcemain

Install forcemain in accordance with CW 2110 using trenchless methods except as noted or amended in this specification.

Disinfection of the forcemain is not required.

The forcemain shall be connected to the interceptor manhole in accordance with CW 2130 Clause 3.15.

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E12.3.2 Water Service

Water service shall be installed in accordance with CW 2210. E12.3.3 Wastewater Sewer Inlet Pipe and Vent Pipe

Install wastewater sewer inlet pipe and vent pipe in accordance with CW 2130 using trenchless methods.

The existing wastewater sewer inlet pipe shall be abandoned in accordance with CW 2130. E12.3.4 Television Inspection

The forcemain and wastewater inlet sewer shall be televised in accordance with CW 2145.

E12.4.1 Forcemain

Forcemain will be measured on a unit basis and paid for at the Unit Price for “Forcemain”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

Number of units to be paid for will be the total number of forcemain installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E12.4.2 Wastewater Sewer Inlet Pipe and Vent Pipe

Wastewater sewer inlet pipe and vent pipe will be measured on a unit basis and paid for at the Unit Price for “Wastewater Sewer Inlet Pipe and Vent Pipe”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

Number of units to be paid for will be the total number of wastewater sewer inlet pipe and vent pipe installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E12.4.3 Water Service

Water Service will be measured on a unit basis and paid for at the Unit Price for “Water Service”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification. Number of units to be paid for will be the total number of water service installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E13. SHOP DRAWINGS

E13.1.1 This Specification shall be read in conjunction with the requirements of CW 1100.

The term ‘shop drawings’ means drawings, diagrams, illustrations, schedules, performance charts, brochures, and other data, including site erection drawings which are to be provided by the Contractor to illustrate details of a portion of the work.

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All submissions must be in metric units. Where data is in imperial units, the correct metric equivalent shall also be shown on all submissions.

E13.1.2 Shop Drawings

Original drawings are to be prepared by Contractor, Subcontractor, Supplier, Distributor, or Manufacturer, which illustrate appropriate portion of work; showing fabrication, layout, setting or erection details as specified in appropriate sections.

Shop drawings for the following structural components shall bear the seal of a registered Engineer of Manitoba.

(a) Shoring.

(b) Reinforcing steel. (c) Metal Fabrications.

(d) Structural connection details. (e) Prefabricated Wood Trusses. E13.1.3 Contractor’s Responsibilities

Contractor shall review shop drawings, product data and samples prior to submission and each shall stamp and sign drawings indicating conformance to the Contract requirements.

Verify:

(a) Field measurements (b) Field construction criteria

(c) Catalogue numbers and similar data

Coordinate each submission with requirements of work and Contract Documents. Individual shop drawings will not be reviewed until all related drawings are available.

Notify Contract Administrator, in writing at time of submission, of deviations from requirements of Contract Documents.

Responsibility for deviations in submission from requirements of Contract Documents is not relieved by Contract Administrator’s review of submission, unless Contract Administrator gives written acceptance of specified deviations.

Responsibility for errors and omissions in submission is not relieved by Contract Administrator’s review of submittals.

The Contractor shall make any corrections required by the Contract Administrator and shall resubmit the required number of corrected copies of Shop Drawings. The Contractor shall direct specific attention in writing or on resubmitted Shop Drawings to revisions other than the corrections requested by the Contract Administrator on previous submission.

After Contract Administrator’s review and return of copies, distribute copies to sub-trades as appropriate.

Maintain one (1) complete set of reviewed shop drawings, filed by Specification Section Number, at the site of the work for use and reference of the Contract Administrator and Subcontractors.

E13.1.4 Submission Requirements

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and re-submission, unless noted otherwise in the Contract Documents.

Submit eight (8) paper prints of shop drawings. The Contractor is advised that the Contract Administrator will retain four (4) copies of all submittals and return four (4) copies to the Contractor.

Accompany submissions with transmittal letter, in duplicate, containing: (a) Date

(b) Project title and number

(c) Contractor’s name and address

(d) Number of each shop drawing, product data and sample submitted (e) Specification Section, Title, Number and Clause

(f) Drawing Number and Detail/Section Number (g) Other pertinent data

Submissions shall include: (a) Date and revision dates. (b) Project title and number. (c) Name of:

(i) Contractor (ii) Subcontractor (iii) Supplier (iv) Manufacturer

(v) Separate detailer when pertinent (d) Identification of product of material. (e) Relation to adjacent structure or materials. (f) Field dimensions, clearly identified as such.

(g) Specification section name, number and clause number or drawing number and detail/section number.

(h) Applicable standards, such as CSA or CGSB numbers.

(i) Contractor’s stamp, initialed or signed, certifying review of submission, verification of field measurements and compliance with Contract Documents.

E13.1.5 Other Considerations

Fabrication, erection, installation or commissioning may require modifications to equipment or systems to conform to the design intent. Revise pertinent shop drawings and resubmit.

Material and equipment delivered to the site of the works will not be paid for at least until pertinent shop drawings have been submitted and reviewed.

Incomplete shop drawing information will be considered as stipulated deductions for the purposes of progress payment certificates.

No delay or cost claims will be allowed that arise because of delays in submissions, re-submissions and review of shop drawings.

If the Contract Administrator requests details or items on shop drawings which the Contractor believes require extra payment or contract time, the Contractor shall make any claims forthwith and receive acceptance, as extra work, or rejection, before fabrication proceeds.

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E14. WASTEWATER PUMPING STATION E14.1 Description

This Specification shall cover the construction of a new reinforced concrete wastewater pumping station as shown on the Drawings.

E14.2 Materials

E14.2.1 All materials shall conform to the requirements of this Specification and the requirements of the latest edition of the City of Winnipeg Standard Construction Specification.

Concrete

Concrete shall conform to Specification CW 2160 and E15. Reinforcing Steel

Reinforcing Steel shall conform to Specification CW 2160 and E16. Grout

Grout, if required, shall be Sika Grout 212 or an approved equal, mixed and applied in accordance with the manufacturers instructions and of a consistency suitable for the intended application, as approved by the Contract Administrator.

Bonding Agent

The bonding agent, if required, shall be ACRYL-STIX or an approved equal.

E14.3.1 Excavation shall be in accordance with Specification CW2030. The method of excavation employed shall include adequate safeguards to prevent caving or sloughing, and shall be tight sheeted.

Backfill shall be Class 2 Backfill, except for cement-stabilized fill under the wastewater sewer inlet pipe support slab, all in accordance with Specification CW2030.

All bracing, shoring and cribbing shall be designed and approved by a Professional Engineer registered in the Province of Manitoba. The Contractor shall submit shop drawings for the selected method of shoring and excavation for review by the Contract Administrator, in accordance with E13.

The Contractor shall supply all heating and hoarding, if required, in accordance with Specification CW 2160.

The Contractor shall remove all silt, debris, water and ice from the immediate area of the work, and shall provide all pumping, temporary plugs, dams, diversions and any other means necessary to construct the work in the dry.

The Contractor shall restore excavated or disturbed areas to their original condition. E14.3.2 Adverse Soil and Groundwater Conditions

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(b) Prior to the commencement of construction, the Contractor will be responsible to prepare a submission on construction method for the review of the Contract Administrator. Review of the Contractor’s proposed construction method shall in no way relieve the Contractor of responsibility for successful execution of the work in accordance with the Contract Documents.

(c) The Contractor’s construction method submission must address the following minimum considerations:

(i) Proposed method of construction.

(ii) Operational controls to prevent damage occurring to adjacent properties and utilities. (iii) Specialized equipment to be used.

(iv) Any design revisions required to accommodate the Contractor’s proposed construction method.

(v) Water control considerations including details on the Contractor’s proposed method of groundwater control (if applicable).

(vi) Other concerns that may be raised by the Contract Administrator in response to the Contractor’s submission.

(d) No work shall commence on this portion of the project until after the Contract Administrator’s review of the Contractor’s construction method submission.

E14.3.3 Dewatering

(a) Should the Contractor’s proposed Construction Method involve dewatering by the installation of well points, the following additional requirements will apply:

(i) All voids created by well pointing operations shall be filled with Holeplug Bentonite as manufactured by Baroid Drilling Fluids, or approved equal, in conjunction with the removal of the well point.

(ii) The Contractor shall repair any damage caused to adjacent structures, utilities, or properties, as a result of well pointing operations, at his own expense.

(iii) Water shall be discharged directly to waste water or combined sewers. Discharge to the river is not permitted.

(iv) The Contractor shall provide all pumping, temporary plugs, dams and diversions to construct the work in the dry.

Wastewater pumping station will be measured on a unit basis and paid for at the Unit Price for “Wastewater Pumping Station”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

Number of units to be paid for will be the total number of wastewater pumping staion installations in accordance with this Specification, accepted and measured by the Contract Administrator.

E15. CONCRETE E15.1 Description

This Specification shall cover all concrete work, which the Contractor shall carry out in accordance with Specification CW 2160 and CSA A23.1, except as amended or supplemented herein.

E15.2 Materials

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E15.3.1 Structural Concrete

Proportioning of fine aggregate, coarse aggregate, cement, and water shall be in accordance with CSA A23.1, Alternative 1, so as to yield concrete having the following properties: (a) Cement: Type 50

(b) Class of Exposure: S-1

(c) Minimum Compressive Strength @ 28 days: 35 MPa (d) Maximum Coarse Aggregate (nominal): 20 mm (e) Slump: 80 mm ± 20 mm

(f) Air Content: 5-8%

(g) Minimum Cement Content = 335 kg/m3 (h) Maximum Water/Cement Ratio = 0.40 E15.3.2 Lean-Mix Concrete Working Base

The Contractor shall supply and place a working base of lean-mix concrete as shown on the Drawings.

The concrete shall be well tamped and screened to give a level working platform for setting up forms and placing reinforcing steel. The Contractor must allow the working base of lean-mix concrete to set for twenty-four (24) hours before setting up his forms or placing reinforcing steel. Lean-Mix Concrete Design Requirements:

Proportioning of fine aggregate, coarse aggregate, cement, and water shall be such as to yield concrete having the following properties:

(a) Cement: Type 50

(b) Minimum Compressive Strength @ 28 days: 15 MPa (e) Slump: 80 mm

(f) Air Content: nil

(g) Minimum Cement Content = 240 kg/m3 (h) Maximum Water/Cement Ratio = 0.49

Supply and placement of structural concrete is to be included in the Unit Price for “Wastewater Pumping Station”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

E16. REINFORCING STEEL

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E16.2 Materials

E16.2.1 Reinforcing Steel

Further to CW 2160 Sentence 2.6 Materials: Reinforcing Steel, all reinforcing steel shall conform to the requirements of CSA G30.18, Grade 400.

E16.2.2 Bar Accessories

Bar accessories shall be of type approved by the Contract Administrator. They shall be made from a non-corroding material, and they shall not stain, blemish or spall the concrete surface for the life of the concrete. Bar chairs are to be PVC; galvanized bar chairs are not acceptable. Bar accessories shall include bar chairs, spacers, clips, wire ties, wire (18 gauge minimum), or other similar devices that may be approved by the Contract Administrator. Bar accessories are not shown on the Contract Drawings. The supply and installation of bar accessories is deemed to be incidental to the supply and placing of reinforcing steel.

E16.3.1 Placing of Reinforcing Steel

Reinforcing steel shall be placed accurately in the positions shown on the Contract Drawings. Carefully adjust the location of reinforcing steel adjacent to openings to frame those openings in accordance with good practice, and maintain the bar spacing intent.

Splices in reinforcing steel shall be made only where indicated on the Contract Drawings. Prior approval of the Contract Administrator shall be obtained where, in the opinion of the Contractor, other splices must be made. All splices shall have laps of at least 40 bar diameters. Welded splices shall not be used.

A minimum of twenty-four (24) hours notice shall be given to the Contract Administrator prior to the pouring of any concrete to allow for inspection of reinforcing steel.

E16.3.2 Quality Control

The Contractor shall provide, without charge, the samples of reinforcing steel required for quality control tests and provide such assistance and use of tools and construction equipment as is required.

E16.3.3 Shop Drawings

The Contractor shall submit shop drawings in accordance with E13 for the Contract Administrator’s approval two (2) weeks prior to the fabrication of any reinforcing steel.

No measurement will be made for this work.

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E17. HYDRO TRANSFORMER PAD E17.1 Description

The Contractor shall construct a reinforced concrete pad and pile to support the Hydro transformer shown of the Drawings. Details of the required construction are shown on Winnipeg Hydro Drawing DS1011 Rev. 00, a copy of which is included in Part F of these Specifications.

E17.2 Materials

All materials shall be in accordance with the Notes provided on Winnipeg Hydro Drawing DS1011 Rev. 00.

Construction shall be in accordance with the Notes provided on Winnipeg Hydro Drawing DS1011 Rev. 00.

The Contractor shall submit shop drawings in accordance with E13 for the Contract Administrator’s approval two (2) weeks prior to the fabrication of any reinforcing steel for the transformer pad and pile.

Hydro transformer pad and pile is to be included in the Unit Price for “Wastewater Pumping Station”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

E18. FOUNDATION WATERPROOFING

This Specification shall cover the supply, fabrication, transportation, handling, delivery and placement of all foundation waterproofing work.

The work to be done by the Contractor under this Specification shall include the furnishing of all superintendence, overhead, labour, materials, equipment, tools, supplies and all things necessary for and incidental to the satisfactory performance and completion of all work as hereinafter specified.

E18.2 Materials

Waterproofing membrane: Styrene-Butadiene-Styrene (SBS) elastomeric polymer, prefabricated sheet, reinforced with non-woven polyester weighing 180 g/m². Top surface polyethylene film. Bottom surface: thermofusible plastic film. Acceptable material: Soprema Sopralene Flam 180, IKO Aquabarrier TG.

Primes, mastic sealant, accessories: as recommended by membrane manufacturer, applicable for substrate.

Protection board: insulating fibreboard to CAN/CSA-A247, Type II, 12 mm thick.

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Work of this section shall be performed by workers approved and trained by manufacturer for application of its products. Applicators must have minimum 5 years proven experience. If requested, submit proof of experience, in writing, from manufacturer.

E18.3.2 Environmental Requirements

Maintain air temperature and structural base temperature at installation area above membrane manufacturer's recommendations before, during and 72 hours after installation.

For applications in freezing weather do not commence application until authorized by membrane manufacturer.

For enclosed applications ensure adequate forced air circulation during curing period.

Install membrane on dry substrates, free of snow and ice. Use only dry materials and apply only during weather that will not introduce moisture beneath waterproofing membrane.

E18.3.3 Warranty

Provide written warranty, signed and issued in the name of the City stating that the waterproofing is guaranteed against leaking, loss of adhesion, for a period of five (5) years from the date of completion.

E18.3.4 Preparation

Examine substrates and site conditions to ensure acceptability for application of waterproofing membranes. Notify Contract Administrator, in writing, of unsuitable surfaces or working conditions.

Do not commence application until all other work that will penetrate membrane is complete. Clean substrates of all snow, ice, loose particles, oil, grease, dirt, curing compounds, or other foreign matter detrimental to application of primers and waterproofing membranes.

Ensure concrete surfaces are fully cured and dry using test methods recommended by membrane manufacture.

Repair defects in concrete surfaces such as spalled or poorly consolidated concrete. Remove sharp protrusions, sharp edges and form lines.

Patch rough areas with a weld-adhered parge coat to provide smooth surface. Allow to fully cure and dry.

E18.3.5 Priming

Apply primer in accordance with manufacturer's instructions at recommended rate of application. Do not apply to frozen or damp surfaces. Apply only when air and surface temperatures are within manufacturer's recommended limits.

Avoid pooling of primer and allow to cure until tack-free.

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E18.3.6 Membrane Application

Apply membrane in accordance with manufacturer's instructions and with good construction practice to maintain continuity of waterproofing over building elements.

Place membrane in position without stretching, taking care to avoid trapped air, creases or fish mouths.

Ensure membrane is totally bonded to substrate.

Apply membrane vertically in longest possible lengths to reduce number of end joints.

Overlap side laps minimum 75 mm and end laps minimum 150 mm. Stagger end laps minimum 300 mm in adjacent rows.

Seal horizontal and vertical terminations by applying heavy pressure to edges with a roller to ensure positive bond. Apply a continuous bead of mastic sealant to all terminations. Make watertight. Seal daily terminations with mastic sealant.

Corners:

(a) Remove sharp or protruding edges from external corners prior to application of membrane. (b) Reinforce external corners with cushion strip of membrane minimum 300 mm wide at each

corner. Install cushion strip below main membrane. Protrusions and Penetrations

(a) Apply two layers of membrane flashing around protrusions, and extend at least 150 mm in all directions. Cut and fit membrane neatly and snug fitting, leave no gaps. Seal all

terminations with mastic sealant. Flash protrusions with liquid mastic extending 150 mm along pipe or conduit.

(b) Seal with liquid mastic all protrusions or difficult detail areas which do not allow easy installation of membrane. Make watertight.

E18.3.7 Inspection and Repair

Inspect membrane thoroughly before covering and make corrections immediately.

Patch and repair misaligned or inadequately lapped seams, tears, punctures or fishmouths. Patch with piece of waterproofing membrane and extend minimum 150 mm in all directions from

fault and seal edges with mastic sealant. E18.3.8 Protection Board

Install protection board against all waterproofing membranes to protect against backfilling operations.

Install boards vertically without fasteners or adhesives.

Install protection board during backfilling operations to allow backfill materials to hold protection board tight to waterproofing membrane.

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and for performing all operations herein described and all other items incidental to the work included in this Specification.

E19. METAL FABRICATIONS

This Specification shall cover the supply, fabrication, transportation, handling, delivery and placement of all metal fabrications.

E19.2 Materials

E19.2.1 General

The Contractor shall be responsible for the supply, safe storage and handling of all materials set forth in this Specification.

All materials supplied under this Specification shall be of a type acceptable to the Contract Administrator, and shall be subject to inspection and testing by the Contractor Administrator. All materials shall be handled in a careful and workmanship like manner, to the satisfaction of the Contract Administrator.

Supply, safely store and handle materials set forth in this Specification. Handle materials in a careful and workmanship like manner, to the satisfaction of the Contract Administrator.

E19.2.2 Steel Sections and Plates: to CAN/CSA G40.20/G40.21, Grade 300 W, except W, HP and HSS sections, which shall be Grade 350 W.

E19.2.3 Steel pipe: to ASTM A 53/A53M, seamless, galvanized, as specified by item. E19.2.4 Welding materials: to CSA W59.

E19.2.5 Stud Anchors: to ASTM A108, Grade 1020.

E19.2.6 Aluminum: to CAN/CSA S157 and the Aluminum Association ‘Specifications for Aluminum Structures’. Aluminum for plates shall be Type 6061-T651. Welding shall be in accordance with the requirements of CSA W59.2-M1991.

E19.2.7 Fasteners:

(a) Anchor bolts and fasteners: Type 316 stainless steel, of ample section to safely withstand the forces created by operation of the equipment or the load to which they will be subjected. (b) Quantity and size of the fasteners shall be as recommended by the manufacturer or as

shown on the Drawings.

(c) Provide exposed fastenings of same material, and finish as the metal to which applied unless indicated otherwise.

(d) Supply all items complete with all anchors and fastenings. E19.2.8 Wet Well Ladder Safety Post

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E19.3.1 Submittals

The Contractor shall submit the qualifications of the Fabricator, qualifications of operators, shop drawings, mill certificates and welding procedures to the Contractor Administrator for acceptance in accordance with E13 Shop Drawings.

The shop drawings shall clearly indicate materials, core thickness, finishes, connections, joints, method of anchorage, number of anchors, supports, reinforcement, details and accessories. Indicate field measurements on shop drawings.

E19.3.2 Fabrication

Fabricate work square, true, straight and accurate to required size, with joints closely fitted and properly secured.

Use self-tapping shake-proof flat headed screws on items requiring assembly by screws. Where possible, fit work and shop assemble, ready for erection.

Ensure exposed welds are continuous for length of each joint. File or grind exposed welds smooth and flush.

Seal exterior steel fabrications to provide corrosion protection in accordance with CAN3-S16.1. Remove and grind smooth burrs, filings, sharp protrusions, and projections from metal fabrications to prevent possible injury. Correct any dangerous or potentially harmful installations as directed by Contract Administrator.

All aluminum surfaces in contact with concrete shall be isolated using alkali-resistant bituminous paint meeting the requirements of CGSB 31-GP-3M.

Aluminum plate shall have an approved raised oval or multi-grip pattern with edges straight and true, and shall be cut as far as practical to maintain continuity of the pattern at abutting edges. Pieces shall be of the sizes indicated on the Drawings and shall not be built up from scrap pieces.

Angle frames shall be of the same material as the cover plate, and cover plates shall be hinged and be supplied with lifting handles, as shown on the Drawings. Exterior covers shall be supplied with a hasp for a padlock.

E19.3.3 Finishes

All designated steel items supplied under this specification shall be hot-dip galvanizing after fabrication, in accordance with CAN/CSA-G164, to a retention of 600 gm/m².

E19.3.4 Angle Lintels

Steel angles: sizes indicated for openings. Provide minimum 150 mm bearing at ends. Hot dip galvanized.

E19.3.5 Pipe Bollards

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Fabricate and install pipe bollards to be removable as indicated on the Drawings. Set pipe sleeve level and plumb into reinforced concrete footing. Fabricate bollard of steel pipe to fit over top of pipe sleeve and secure to pipe sleeve with 12 mm diameter hot dipped galvanized thru-bolt with nut and washers. Cap top of pipe with 6 mm thick welded steel plate.

E19.3.6 Erection

Do welding work in accordance with CSA W59.

Erect metalwork in accordance with reviewed shop drawings, square, plumb, straight, and true, accurately fitted, with tight joints and intersections.

Provide suitable means of anchorage acceptable to Contract Administrator such as dowels, anchor clips, bar anchors, expansion bolts and shields, and toggles.

Provide components for building in accordance with shop drawings and schedule. Make field connections with bolts to CAN/CSA-S16.1, or weld.

Touch-up rivets, bolts and burnt or scratched surfaces that are to receive paint finish, with zinc primer after completion of erection.

Touch-up damaged galvanized surfaces and field welds with self-fluxing, low temperature, zinc-based alloy rods in accordance with ASTM A780 Repair of Damaged Hot Dip Galvanizing Coatings. Accepted products are Galvalloy and Gal-Viz.

Aluminum angle frames shall be anchored into the concrete as shown on the Drawings. Care shall be taken in placing the frames to the exact level, dimension and location required.

Cover plates shall be hinged and shall be supplied with lifting handles, as shown on the Contract Drawings. Exterior covers shall be supplied with a hasp for a padlock.

Supply and placement of miscellaneous metal is to be included in the contract unit sum price for “Wastewater Pumping Station”, which price shall be payment in full for supplying all materials and for performing all operations herein described, and all other items incidental to the work included in this Specification.

E20. MASONRY E20.1 Description

This Specification shall cover the supply, fabrication, transportation, handling, delivery and placement of all masonry work.

E20.2 Materials

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Face Brick: burned clay brick: to CSA A82.1, Type: FBS, Grade: SW, Metric modular size. Provide solid units where core exposed in final assembly. Acceptable material: IXL 259 Brown Variegated Matt.

Limestone: to ASTM C 568, category II, medium density as quarried and supplied by Gillis Quarries Limited, Winnipeg, Manitoba, Canada. Buff colour, rustic finish, 90 mm bed thickness. Sawn-bed, three coursed random ashlar pattern, 15% 57 mm course, 50% 123 mm course, 35% 190 mm course height.

Mortar Materials: to CSA A179. Type N based on Proportion specifications. Use non-staining mortar for limestone work.

Masonry connectors: to CSA A370 and CSA S304, galvanized. Block Shear Connector assembly as manufactured by Fero Holdings Ltd. Consisting of connector plate, V-Tie and polyethylene insulation support.

Masonry reinforcement:

(a) Bar reinforcement: to CSA A371 and CSA G30.18, Grade 400.

(b) Wire reinforcement: to CSA A371 and CSA G30.14, ladder type. Prefabricated corners and intersections.

Masonry flashing: self-adhesive modified bitumen sheet membrane: minimum 1.0 mm thick. Bakelite Blueskin SA, WR Grace Perm-A-Barrier, Soprema Colphene 1500.

Metal drip edge: brake formed of 24 gauge prefinished steel sheet of same colour as sheet metal roofing, Form drip edge to extend 100 mm under base course, with 6 - 9 mm formed drip at front edge.

Do masonry work in accordance with CSA-A371 except where specified otherwise.

Before commencing masonry work construct mock-up panel for Contract Administrator’s review and approval. Construct mock-up panel approximately 1200 x 1200 mm size, on exterior wall of building in location designated by Contract Administrator. Materials and workmanship as specified for finished work. Mock-up panel, if accepted, may become part of the finished work. If not

accepted, demolish and construct new panel if requested.

Lay concrete masonry units in running stretcher bond. Coursing height 200 mm of one block and one joint.

Lay clay brick in running stretcher bond, coursing height 200 mm for three bricks and three joints. Provide soldier coursing as indicated, using solid units at corners. Exposed cores not permitted. Lay limestone in random ashlar pattern bond. Joint lines to run horizontally and vertically. Stagger vertical joints and break horizontal joints as often as possible. Balance distribution of stone sizes for best appearance.

Supply and install masonry connectors and reinforcement in accordance with CSA A370, CSA A371, CSA A23.1 and CSA S304.1, and as indicated.

Build masonry plumb, level, and true to line, with vertical joints in alignment. Layout coursing and bond to achieve correct coursing heights, and continuity of bond above and below openings, with minimum of cutting.