I DIVISION 03

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CONCRETE

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David W. Edwards Architect Ltd Libbie Young Centre, Lloydminster, AB.

200 1102 8"' Avenue, Regina, SK 23 March 2011

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I Libbie Young Centre Section 03 11 00 Lloydminster, AB CONCRETE FORMING

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GENERAL

Section Includes

Formwork for cast-in-place concrete, with shoring, bracing and anchorage .

Openings in forms for other work .

Form accessories .

Form stripping .

Related Sections

Section 03 20 00 - Concrete Reinforcing .

Section 03 30 00 - Cast-in-Place Concrete: Supply of concrete accessories for placement by this section.

Price And Payment Procedures

Unit Prices: Section 01 22 10 - Measurement of quantities and payment procedures affecting this section.

.1 Formwork (Vertical Structures): By the square meter. Includes form materials, placement, placing accessories, stripping.

.2 Formwork (Horizontal Supported Structures): By the square meter. Includes form materials, placement, placing accessories, stripping.

References

ACI 301-05 - Specification for Structural Concrete for Buildings .

ACI SP4-2005 - Formwork for Concrete .

CSA B44-07 - Safety Code for Elevators and Escalators (Bi-National standard, with

ASME A17.1)

CSA-086.1-01 - Engineering Design in Wood (with amendment CSA-086S1-05) .

CAN/CSA-S269.3-M92 (R2003) - Concrete Formwork .

CSA A23.1-04/A23.2-04 Concrete Materials and Methods of Concrete Construction/Methods of Test and Standard Practices for Concrete

CSA-0121-08 - Douglas Fir Plywood .

CSA-0151-04 - Canadian Softwood Plywood .

CSA-S269.1-1975 (R2003) - Falsework for Construction Purposes .

COFI (Council of Forest Industries of British Columbia) - Exterior Plywood for Concrete Formwork.

Design Requirements

Design, engineer and construct formwork, shoring and bracing to conform to design and code requirements; resultant concrete to conform to required shape, line and dimension.

Conform to CSA-S269.1 .

Submittals For Review

Section 01 33 00: Submission procedures.

David W. Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

I Section 03 11 00 Libbie Young Centre CONCRETE FORMING Lloydminster, AB Page 2 of 4 I

. 2 Product Data: Provide data on void form materials and installation requirements .

1.7 Regulatory Requirements I . 1 Conform to applicable code for design, fabrication, erection and removal of formwork .

1.8 Delivery, Storage, And Protection I .1 Section 01 61 00: Transport, handle, store, and protect products.

.2 Deliver void forms and installation instructions in manufacturer's packaging. I

.3 Store off ground in ventilated and protected manner to prevent deterioration from moisture.

I PART 2 PRODUCTS

I2.1 Wood Form Materials .1 Form Materials: At the discretion of the Contractor.

I2.2 Prefabricated Forms .1 Tubular Column Type: Round, spirally wound laminated fibre material, surface treated

with release agent, non-reusable, of sizes required . Void forms are used primarily when adjacent to expansive soils. I

. 2 Void Forms: non- biodegradable, 102 mm thick .

I2.3 Formwork Accessories .1 Form Ties: Snap-off type, metal free of defects that could leave holes larger than 25 mm

in concrete surface. I .2 Form Release Agent:

.1 Colourless mineral oil which will not stain concrete, or absorb moisture or impair natural bonding or colour characteristics of coating intended for use on concrete . I

. 2 Non-toxic, biodegradable, low VOC.

.3 Form Stripping Agent: Colourless mineral oil , non-toxic, biodegradable, low vac, free of kerosene, with viscosity between 15 to 24 mm2ls at 401 deg C, flash point minimum 1501 I deg C, open cup.

.4 Nails, Spikes, Lag Bolts, Through Bolts, Anchorages: Sized as required , of sufficient strength and character to maintain formwork in place while placing concrete. I

PART 3 EXECUTION I 3.1 Examination

. 1 Section 01 70 00: Verify existing conditions before starting work . I

. 2 Verify lines, levels and centres before proceeding with formwork .

. 3 Ensure that dimensions agree with drawings . I 3.2 Earth Forms

. 1 Earth forms are not permitted except for drilled concrete piers . I BAR Engineering Co. Ltd. 3/23/2011 David W. Edwards Architect Ltd.

I Libbie Young Centre Section 03 11 00 I

Lloydminster, AS CONCRETE FORMING Page 3 of 4

3.3 Erection - Formwork

I .1 Erect formwork, shoring and bracing to achieve design requirements, in accordance with requirements of CAN/CSA-S269.3 .

. 2 Fabricate and erect false work in accordance with CSA-S269.1.

I .3 Provide bracing to ensure stability of formwork. Shore or strengthen formwork subject to

overstressing by construction loads .

.4 Arrange and assemble formwork to permit dismantling and stripping. Do not damage concrete during stripping. Permit removal of remaining principal shores .

. 5 Align joints and make watertight. Keep form joints to a minimum .

. 6 Obtain approval before framing openings in structural members which are not indicated

on Drawings.

.7 Install void forms in accordance with manufacturer's recommendations. Protect forms from moisture or crushing .

. 8 Coordinate this section with other sections of work which require attachment of components to formwork .

. 9 If formwork is placed after reinforcement resulting in insufficient concrete cover over reinforcement before proceeding, request instructions from Consultant.

I 3.4 Application - Form Release Agent .1 Apply form release agent on formwork in accordance with manufacturer's

recommendations.

.2 Apply prior to placement of reinforcing steel, anchoring devices, and embedded items .

I .3 Soak inside surfaces of untreated forms with clean water. Keep surfaces coated prior to

placement of concrete.

I 3.5 Inserts, Embedded Parts, And Openings

.1 Provide formed openings where required for items to be embedded in passing through concrete work.

. 2 Locate and set in place items which will be cast directly into concrete .

I .3 Coordinate with work of other sections in forming and placing openings, slots, reglets, recesses, sleeves, bolts, anchors, other inserts, and components of other Work. I .4 Install accessories in accordance with manufacturer's written instructions, straight, level, and plumb. Ensure items are not disturbed during concrete placement.

3.6 Form Cleaning

I . 1 Clean forms as erection proceeds, to remove foreign matter within forms .

. 2 Clean formed cavities of debris prior to placing concrete .

I .3 Flush with water or use compressed air to remove remaining foreign matter. Ensure that water and debris drain to exterior through clean-out ports. I

.4 During cold weather, remove ice and snow from within forms. Do not use de-icing salts . Do not use water to clean out forms, unless formwork and concrete construction proceed within heated enclosure. Use compressed air or other means to remove foreign matter.

I 3.7 Formwork Tolerances .1 Construct formwork to maintain tolerances in accordance with CSA A23.1. David W. Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

I Section 03 11 00 Libbie Young Centre CONCRETE FORMING Lioydminster, AB Page 4 of 4 I 3.8 Field Quality Control

. 1 Section 01 45 00: Field inspection and testing . I

.2 Inspect erected formwork, shoring, and bracing to ensure that work is in accordance with formwork design, and that supports, fastenings, wedges, ties, and items are secure.

I3.9 Form Removal .1 Do not remove forms or bracing until concrete has gained sufficient strength to carry its

own weight and imposed loads. I .2 Loosen forms carefully. Do not wedge pry bars, hammers, or tools against finish

concrete surfaces scheduled for exposure to view.

.3 Store removed forms in manner that surfaces to be in contact with fresh concrete will not I be damaged. Discard damaged forms.

3.10 Schedules I . 1 Basement Walls Exposed To View: Site fabricated rough sawn lumber .

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BAR Engineering Co. Ltd . 3/23/2011 David W . Edwards Architect Ltd. I

I Libbie Young Centre Section 03 20 00 Lloydminster, AB CONCRETE REINFORCING

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GENERAL

Section Includes

Reinforcing steel bars, wire fabric and accessories for cast-in-place concrete .

Related Sections

Section 03 11 00 - Concrete Forming .

Section 03 30 00 - Cast-in-place Concrete .

Price And Payment Procedures

Unit Prices: Section 01 22 10 - Measurement of quantities and payment procedures affecting th is section .

. 1 Bar Reinforcement: By the tonne. Includes reinforcement, placement, and accessories .

. 2 Wire Mesh Reinforcement: By the square metre. Includes wire mesh reinforcement, placement, and accessories.

References

ACI 301-05 - Structural Concrete .

ASTM AI85/A185M-07 - Steel Welded Wire Reinforcement, Plain, for Concrete .

ASTM A497/A497M-07 - Steel Welded Wire Reinforcement, Deformed, for Concrete .

ASTM A704/A704M-06 - Welded Steel Plain Bar or Rod Mats for Concrete Reinforcement.

CSA-A23.1-04/A23.2-04 Concrete Materials and Methods of Concrete

Construction/Methods of Test and Standard Practices for Concrete.

CSA-A23.3-04 - Design of Concrete Structures .

CAN/CSA-G30.18-M92 (R2007) - Billet-Steel Bars for Concrete Reinforcement.

CAN/CSA-G40.20-04/G40.21-04 - General Requirements for Rolled or Welded Structural

Quality Steel/Structural Quality Steel.

CSA W186-M 1990 (R2007) - Welding of Reinforcing Bars in Reinforced Concrete

Construction.

RSIC (Reinforcing Steel Institute of Canada) - Manual of Standard Practice (2004) .

Submittals For Review

Section 01 33 00: Procedures for submittals .

Shop Drawings: Indicate bar sizes, spacings, locations, and quantities of reinforcing steel and wire fabric, bending and cutting schedules, and supporting and spacing devices.

David W. Edwards Architect Ltd . 3/23/2011 BAR Engineering Co. Ltd.

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I Section 03 20 00 Libbie Young Centre CONCRETE REINFORCING Lloydminster, AB Page 2 of 3 I 1.6 Submittals For Infonnation

. 1 Section 01 33 00: Procedures for submittals . I

.2 Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

I1.7 Quality Assurance . 1 Perform Work in accordance with CSA-A23.1/A23.2 .

I.2 Welders' Certificates: Submit to Section 01 4300, Manufacturer's Certificates, certifying welders employed on the Work, verifying CSA qualification within the previous 12 months.

I PART 2 PRODUCTS

I2.1 Reinforcement .1 Reinforcing Steel, Deformed: CAN/CSA-G30.18, billet steel, Grade 400W, regular bars,

unfinished. I 2.2 Accessories

. 1 Tie Wire: Minimum 1.65 mm annealed type . I

.2 Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions including load bearing pad on bottom to Iprevent vapour barrier puncture.

2.3 Fabrication I .1 Fabricate concrete reinforcing in accordance with:

.1 CSA-A23.1. I.2 RSIC - Reinforcing steel manual of standard practice.

. 2 Weld reinforcement in accordance with CSA W1S6 .

I. 3 Locate reinforcing splices not indicated on drawings, at point of minimum stress . I

PART 3 EXECUTION

3.1 Placement I .1 Place, support and secure reinforcement against displacement to CSA-A23.1 and as

indicated on reviewed placing drawings.

I.2 Do not displace or damage vapour barrier. . 3 Accommodate placement of formed openings . I .4 Maintain concrete cover around reinforcing as follows:

.1 Beams 35 mm I.2 Supported Slabs and Joists 35 mm. BAR Engineering Co. Ltd. 3/23/2011 David W. Edwards Architect Ltd. I

http:CAN/CSA-G30.18

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.3 Column Ties 35 mm .

. 4 Walls (exposed to weather or backfill) 50 mm .

. 5 Footings and Concrete Formed Against Earth 75 mm .

. 6 Slabs on Fill 75 mm.

Field Quality Control

.1 Section 01 45 00: Field inspection to be coordinated with consultant.

3.3 SChedules

.1 Reinforcement for Foundation Wall Framing Members and Slab-on-Grade: Deformed bars and wire fabric.

END OF SECTION

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David W. Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd.

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Libbie Young Centre Section 03 30 00 Lioydminster, AB CAST-IN-PLACE CONCRETE

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GENERAL

Section Includes

Cast-in-place concrete floors and slabs on grade, foundation walls, equipment

pads, and supported slabs.

Site work retaining walls, sidewalks and curbs .

Control , expansion and contraction joint devices associated with concrete work

including embedments and joint sealants.

Related Sections

Section 03 11 00 - Concrete Forming: Formwork and accessories .

Section 03 20 00 - Concrete Reinforcing .

Section 03 39 00 - Concrete Curing .

Section OS 12 00 - Structural Steel: Steel columns and beams .

Section 32 13 13 - Concrete Paving: Sidewalks, curbs and gutters .

Price And Payment Procedures

Unit Prices: Section 01 22 10 - Measurement of quantities and payment procedures affecting this section .

. 1 Concrete - Slab-on-fili or Grade: By the square metre. Includes concrete, placement accessories, consolidating and levelling , troweling, curing .

. 2 Concrete - Vertical in Forms: By the cubic metre. Includes concrete, placement accessories, consolidating, curing .

. 3 Concrete - Suspended horizontal elements, columns, beams, slabs Includes concrete, placement accessories, consolidating, curing .

.4 Concrete - Grouting: By the cubic metre. Includes preparation of substrate, grout, placement, consolidating , troweling, curing .

. S Concrete- Floor Topping: By the cubic metre. Includes concrete, placement accessories, consolidating and levelling , troweling, curing.

References

ACI 30SR-99 - Hot Weather Concreting .

ACI 306R-88 - Cold Weather Concreting .

I . 3 ASTM C260-06 - Air-Entraining Admixtures for Concrete . .4 ASTM C330-0S - Lightweight Aggregates for Structural Concrete .

I . S ASTM C494/C494M-08 - Chemical Admixtures for Concrete . David W. Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

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.6 ASTM C1017/C 1017M-07 - Chemical Admixtures for Use in Producing Flowing

Concrete. I

.7 ASTM D994- 98(2003) - Preformed Expansion Joint Filler for Concrete

(Bituminous Type).

I.8 CAN/CSA-A438-00 (R2004) - Concrete Construction for Houses and Small

Buildings.

I.9 CAN/CSA-A3000-03 - Cementitious Materials Compendium.

.10 CAN/CSA-S269.3-M92 (R2003) - Concrete Formwork . I .11 CAN/CSA-S4 7 4-04 - Concrete Structures.

.12 CSA-A23.1-04/A23.2-04 - Concrete Materials and Methods of Concrete I Construction 1Methods of Test and Standard Practices for Concrete.

. 13 CSA-A23.3-04 - Design of Concrete Structures . I I

. 14 CSA-S269.1-1975 (R2003) - Falsework for Construction Purposes .

. 15 CSA-W59-03 - Welded Steel Construction (Metal-Arc Welding) . I I

.16 CSA-W186-M1990 (R2007) - Welding of Reinforcing Bars in Reinforced

Concrete Construction. I

1.5 Submittals For Review I . 1 Section 01 33 00: Submission procedures .

.2 Certification: Provide certification that mix proportions selected will produce Iconcrete of quality, yield and strength as specified in concrete mixes, and will comply with CSA-A23.1.

.3 Manufacturer's Installation Instructions: Indicate installation procedures and I interface required with adjacent Work.

I1.6 Closeout Submittals . 1 Section 01 78 10: Submission procedures .

I.2 Record Documentation: Accurately record actual locations of embedded utilities

and components.

I 1.7 Quality Assurance

. 1 Perform Work in accordance with CSA-A23.1/A23.2 . I

. 2 Maintain one (1) copy of each document on site .

. 3 Acquire cement and aggregate from same source for all work . I BAR Engineering Co. Ltd. 3/23/2011 David W . Edwards Architect Ltd . I

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.4 Conform to CSA-A23.1 and ACI 305R when concreting during hot weather .

. 5 Conform to CSA-A23.1 and ACI 306R when concreting during cold weather.

PART 2 PRODUCTS

2.1 Concrete Materials

. 1 Cement: CAN/CSA-A3001, Type GU; Grey White colour .

. 2 Fine and Coarse Aggregates: CSA-A23.1. Maximum aggregate size 19 mm.

. 3 Water: CSA-A23.1, clean and not detrimental to concrete .

2.2 Admixtures

. 1 Air Entrainment: ASTM C260.

. 2 Chemical Admixtures: ASTM C494 or ASTM C1017 .

2.3 Accessories

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.1 Vapour Retarder: 0.15 mm thick clear polyethylene film for below grade

application.

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.2 Non-Shrink Grout: Premixed compound consisting of non-metallic aggregate,

cement, water reducing and plasticizing agents; capable of developing minimum

compressive strength of 17 MPa in 48 hours and 48 MPa in 28 days.

I 2.4 Joint Devices And Filler Materials .1 Joint Filler Type A : ASTM 01751 , ASTM 0994; Asphalt impregnated fibreboard or felt , 6 mm thick; tongue and groove profile.

I . 2 Sealant and Primer: as specified in Section 07 92 00 . I 2.5 CONCRETE MIX

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.1 Mix and deliver normal density concrete in accordance with CSA-A23.1 ,

Alternative 1, to the following 'criteria :

.1 Cement Type: Hydraulic .

. 2 Class of exposure: F-2.

I .3 Compressive Strength (7 day): 12 MPa .

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.4 Compressive Strength (28 day): 25 MPa .

. 5 Maximum size of coarse aggregate: 19 mm.

.6 Slump at time and point of discharge: 80 plus or minus 20 mm .

. 7 Air Entrainment: 4 to 7 percent.

I .2 Use accelerating admixtures in cold weather only when approved by Consultant. Use of admixtures will not relax cold weather placement requirements.

David W . Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

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.3 Use set retarding admixtures during hot weather only when approved by

Consultant. I

.4 Add air entraining agent to normal weight concrete mix for work exposed to

exterior.

I PART 3 EXECUTION I 3.1 Examination

. 1 Section 01 70 00: Verify existing conditions before starting work . I

.2 Verify all dimensions and locations required on drawings.

.3 Verify requirements for concrete cover over reinforcement. I I

.4 Verify that anchors, seats, plates, reinforcement and other items to be cast into concrete are accurately placed, positioned securely, and will not impede concrete Iplacement.

. 5 Verify locations of all openings and embedments required for other work . I 3.2 Preparation

.1 Coordinate the placement of joint devices with erection of concrete formwork and placement of form accessories.

I3.3 Placing Concrete .1 Place concrete in accordance with CSA-A23.1 .

I. 2 Notify Consultant minimum 24 hours prior to commencement of operations . .3 Ensure reinforcement, inserts, embedded parts, formed expansion and

contraction jOints, are not disturbed during concrete placement. I .4 Install vapour retarder under interior slabs on grade. Lap joints minimum 300 and

seal watertight by taping edges and ends.

. 5 Repair vapour retarder damaged during placement of concrete reinforcing .

Repair with vapour retarder material ; lap over damaged areas minimum 150 mm Iinches and seal watertight.

. 6 Separate slabs on grade from vertical surfaces with 75 mm inch thick joint filler . I

.7 Extend jOint filler from bottom of slab to within 6 mm of finished slab surface.

Conform to Section [07 92 001 for finish joint sealer requirements .

. 8 Maintain records of concrete placement. Record date, location, quantity, air

temperature, and test samples taken.

BAR Engineering Co. Ltd. 3/23/2011 David W. Edwards Architect Ltd .

I Libbie Young Centre Section 03 30 00 Lioydminster, AB CAST-IN-PLACE CONCRETE

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I .9 Place concrete continuously between predetermined expansion, control, and

construction joints.

.10 Do not interrupt successive placement; do not permit cold joints to occur.

I .1 1 Saw cut joints within 24 hours after placing. Use 5 mm thick blade, cut minimum

1/4 depth of slab thickness.

I .12 Screed floors and slabs on grade level, maintaining surface flatness to CSA-A23.1. I 3.4 Separate Floor Toppings

I .1 Prior to placing bonded concrete topping, roughen substrate concrete surface

and remove deleterious material to CSA-A23.1. Broom and vacuum clean.

.2 Place required dividers, edge strips and other items to be cast into concrete.

I .3 Apply concrete topping using epoxy grout procedures in accordance with

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CSA-A23.1 and in accordance with manufacturer's written instructions.

.4 Place concrete floor toppings to required lines and levels .

3.5 Tolerances

I . 1 Slab and Floor Tolerances: Specified in Section 03 35 10 . I 3.6 Concrete Finishing

. 1 Finish concrete floor surfaces in accordance with CSA-A23.1 .

I . 2 Wood float surfaces which will receive ceramic tile with full bed setting system .

I .3 Steel trowel surfaces which will receive carpeting, resilient flooring , seamless

flooring, thin set quarry tile or thin set ceramic tile .

. 4 Steel trowel surfaces which are scheduled to be exposed.

I .5 In areas with floor drains, maintain floor elevation at walls; pitch surfaces uniformly to drains at 1: 100 nominal.

I 3.7 Curing And Protection I

.1 Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical damage.

I .2 Maintain concrete with minimal moisture loss at relatively constant temperature

for period necessary for hydration of cement and hardening of concrete .

. 3 Cure floor surfaces in accordance with CSA-A23.1.

I .4 Spraying: Spray water over floor slab areas and maintain wet cure for 7 days. David W . Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

I Section 03 30 00 Libbie Young Centre CAST-IN-PLACE CONCRETE Lioydminster, AB Page 6 of6 I 3,8 Field Quality Control

. 1 Section 01 4500: Field inspection and testing . I

.2 Provide free access to Work and cooperate with appointed firm.

.3 Submit proposed mix design to consultant and testing firm for review prior to I commencement of Work.

.4 Tests of cement and aggregates may be performed to ensure conformance with I specified requirements.

.5 Three concrete test cylinders will be taken and tested for every 75 or less cu m of I concrete placed .

.1 Minimum one test per day . I. 2 One test per type of component, piles slabs, walls, columns, and grade beams.

.6 One additional test cylinder will be taken during cold weather concreting, cured on I job site under same conditions as concrete it represents.

. 7 One slump or flow test and one air test will be taken for each set of test cylinders . I 3.9 Patching

.1 Allow Consultant to inspect concrete surfaces immediately upon removal of I forms.

.2 Excessive honeycomb or embedded debris in concrete is not acceptable. Notify I Consultant upon discovery.

.3 Patch imperfections as directed by consultant. I 3.10 Defective Concrete I.1 Defective Concrete: Concrete not conforming to required lines, details,

dimensions, tolerances or specified requirements.

.2 Repair or replacement of defective concrete will be determined by the Consultant. I

.3 Do not patch, fill , touch-up, repair, or replace exposed concrete except upon

express direction of Consultant for each individual area. I

3.11 Schedule - Concrete Types And Finishes I. 1 Foundation Walls: 25 MPa 28 day concrete, form finish . I

END OF SECTION

I BAR Engineering Co. Ltd. 3/23/2011 David W . Edwards Architect Ltd. I

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Libbie Young Centre Section 03 35 12 Lloydminster. AB CONCRETE ADMIXTURES

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GENERAL

Section Includes

Concrete admixtures .

Related Sections

Section 03 30 00: Cast-in-Place Concrete .

References

ASTM C109/C109M-07 - Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50 mm Cube Specimens).

ASTM 0348-07 - Test Methods for Rigid Tubes Used for Electrical Insulation. on procedures.

Performance Requirements

Repair Compound:

. 1 Flexural strength: ASTM 0348. 9.375 kPa .

. 2 Compressive strength: ASTM C109. 37.6 MPa.

. 3 Tensile strength: 4,480 kPa .

Submittals For Review

Section 01 3300: Submission procedures.

Product Data: Provide data on materials and application requirements.

Submittals For Information

Section 01 33 00: Submission procedures .

Installation Data: Manufacturer's special installation requirements .

Delivery, Storage, And Protection

Section 01 61 00: Transport. handle. store. and protect products .

Store containers to manufacturer's written instructions .

Protect materials from freezing.

Environmental Requirements

Section 01 3526: Environmental conditions affecting products on site .

Maintain ambient temperatures above 5 degrees C for twenty-four (24) hours before and during application and until liquid or mastic accessories have cured.

David W. Edwards Architect Ltd. 3/23/2011 BAR Engineering Co. Ltd. I

I Section 03 35 12 Libbie Young Centre CONCRETE ADMIXTURES Lloydminster, AB Page 2 of2 I 1.9 Warranty

. 1 Section 01 78 10: Warranties . I

.2 Manufacture~s Warranty: Five 5 years, limited warranty on materials.

I PART 2 PRODUCTS

I2.1 MATERIALS . 1 Water: Potable .

.2 Repair Compound: I .1 Multi-component, acrylic polymer additive.

.2 Contains no solvent. VQC, or hazardous ingredients . I

. 3 Colour: Grey.

IPART 3 EXECUTION 3.1 Examination I

. 1 Section 01 70 00: Verify existing conditions before starting work .

. 2 Ensure surfaces are clean, dry and free of contaminants . I 3.2 Preparation

. 1 Clean substrate surfaces to manufacture~s written instructions . I

.2 Mist surface with water prior to application.

I 3.3 Installation

. 1 Install to manufacturer's written instructions . I

.2 Thoroughly mix polymeriwatersolution to manufacture~s recommendations, and use in place of water in cement mix.

I.3 Protect adjacent work from spillage and overspray. Remove overspray on adjacent surfaces immediately before dry.

.4 Clean tools and substrate with potable water. I 3.4 FIELD QUALITY CONTROL I

. 1 Section 01 45 00: Field inspection.

I END OF SECTION

BAR Engineering Co. Ltd. 3/23/2011 David W . Edwards Architect Ltd.

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I Libbie Young Centre Section 03 39 00 I

Lloydminster, AB CONCRETE CURING Page 1 of 2

PART 1 GENERAL

1.1 Section Includes

. 1 Initial and final curing of horizontal and vertical concrete surfaces .

1.2 Related Sections

. 1 Section 03 30 00 - Cast-in-place Concrete .

1.3 References

. 1 AASHTO M182-05-UL - Burlap Cloth made from Jute or Kenaf and Cotton Mats .

I .2 ASTM C171-07 - Sheet Materials for Curing Concrete. .3 CAN/CSA-A23.1-04/A23.2-04 - Concrete Materials and Methods of Concrete Construction /

Methods of Test for Concrete.

1.4 Submittals For Review

I . 1 Section 01 33 00: Submission procedures .

.2 Product Data: Provide data on curing compounds, mats, paper, film, compatibilities, and

limitations.

1.5 Quality Assurance

. 1 Perform Work in accordance with CSA-A23.1/A23.2 .

I 1.6 Delivery. Storage. And Protection . 1 Section 01 61 00: Transport, handle, store, and protect products .

.2 Deliver curing materials in manufacturer's packaging including application instructions.

I PART 2 PRODUCTS 2.1 Materials

I .1 Sheet Materials: ASTM C171 :

I .1 Curing Paper: Two (2) sheets of kraft paper cemented together with reinforced

bituminous material, regular colour.

.2 Polyethylene Film: Minimum 0.15 mm thick, clear .

I . 3 Burlap-Polyethylene Sheeting: Minimum 305 g/sq m extrusion coated, securely

bonded to polyethylene to prevent separation during handling and placing.

. 2 Water: Potable, not detrimental to concrete .

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PART 3 EXECUTION

3.1 Examination I

.1 Section 01 70 00: Verify existing conditions before starting work.

. 2 Verify that substrate surfaces are ready to be cured . I

3.2 Execution - Horizontal Surfaces I

.1 Cure floor surfaces in accordance with CAN/CSA-A23.1/A23.2.

.2 Polyethylene Film: Spread over floor slab areas, lap edges and sides, seal with pressure sensitive tape and cover with plywood; maintain in place for seven (7) days. I

3.3 Execution - Vertical Surfaces I

. 1 Cure surfaces in accordance with CAN/CSA-A23.1/A23.2 .

. 2 Spraying: Spray water over surfaces and maintain wet for seven (7) days . I

3.4 Protection Of Finished Work

. 1 Section 01 7840: Protecting installed work . I

. 2 Do not permit traffic over unprotected floor surface .

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END OF SECTION I

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BAR Engineering Co. Ltd. 3/23/2011 David W . Edwards Architect Ltd. I