Addendum 1 Part 1 16419.pdf

St. Louis Correctional Facility Addendum #01 Entrance Door Replacement and September 21, 2017 Masonry Repairs Page 1 of 10

ADDENDUM

Project Name: Saginaw Correctional Facility Addendum No: One (1) Entrance Door Replacement and Masonry Repairs

SOM File Number: 472/16419.APL SOM Index No.: 46630 PIA Project Number: 17-134 Issue Date: September 21, 2017

Project Location: Freeland, Michigan .

To the Contract Documents for the requested Entrance Door Replacement and Masonry Repairs at Saginaw Correctional Facility. This Addendum forms a part of the above described Contract Documents and supersedes, supplements or clarifies parts thereof to the extent defined by the terms set forth in this Addendum.

This Addendum consists of ten (10) typed pages and the following attachments:

Pre-Bid Site Meeting Attendance Record, dated 9/18/2107 Project Manual & Specifications:

o Bid Summary Form o Bid Schedule Form o Bid Section 033000 Cast-In-Place Concrete o Section 081113 Hollow Metal Doors and Frames o Section 087100 Part 3.8 Door Hardware Sets including Sets 1.0 through 17.0

Drawings:

Sheet Description o A0-00 Cover Sheet o A0-01 General Information o A0-02 Composite Campus Plan o A0-03 Door Schedules, Frame and Door types, Special Frame Details o A0-04 Opening Details o A0-05 Opening Details o A1-01 Enlarged Door Area Floor Plans – Demo - Buildings 100 & 200 o A1-02 Enlarged Door Area Floor Plans - Demo Buildings 300, 400, 500, 700, 800, 900, 1100 and 1200 o A3-01 Enlarged Door Area Floor Plans –New - Buildings 100 & 200 o A3-02 Enlarged Door Area Floor Plans -New Buildings 300, 400, 500, 700, 800, 900, 1100 and 1200 o A5-01 Exterior Elevations, Masonry Repairs – Buildings 100 o A5-02 Exterior Elevations, Masonry Repairs – Buildings 300 o A5-03 Exterior Elevations, Masonry Repairs – Buildings 800, 900 o A5-04 Exterior Elevations, Masonry Repairs – Buildings 1100 and 1200 o A6-01 Wall Sections and Details o E0-02 Composite Campus Electrical Plan o E1-01 Electrical Door Area Power Plans – Demo

Buildings 100, 200, 500, 700, 800, 900 & 1200 o E3-01 Enlarged Door Area Floor Plans -New Buildings 100, 200, 500, 700, 800, 900 & 1200

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PRE-BID SITE WALK THROUGH MEETING:

Item PBM-1 Pre-Bid Site Meeting Attendance Sign-In Sheet (issued this addendum):

A. Pre-Bid Site Meeting Attendance Sign-In Sheet, see attachment.

SPECIFICATIONS:

Item SP-1 Bid Summary (revised, and reissued this addendum):

B. REVISE “Bid Summary” form to include “Alternate #2 as shown:

1. See “REVISED “ Bid Summary” form attached.

Item SP-2 Bid Schedule (revised, and reissued this addendum):

A. REVISE “Bid Schedule” form to include “Alternate #2 as shown:

1. See “REVISED “ Bid Schedule” form attached.

Item SP-3 Section 01030 – Alternates (revised, but not issued this addendum):

A. REVISE “Deduct Alternate #1” description to read as follows:

1. Deduct Alternate No. 1: Hollow Metal Door/Frame Removal and Replacement –

State the amount to be deleted from the Base Proposal Sum to provide all labor and materials required to delete from the base bid the removal and replacement of door openings #200K, 200L, 200M, 200N, 300A, 800B, and 900A as shown and referenced on the drawings. Alternate includes all associated components for a complete installation. Refer to entire set of drawings for additional items pertaining to this alternate.

B. ADD “Deduct Alternate #2” description to read as follows:

1. Deduct Alternate No. 2: Building 100 – Masonry and Flashing Repairs –

State the amount to be deleted from the Base Proposal Sum to provide all labor and materials required to delete from the base bid the Masonry and Flashing Repairs at “Partial West Elevation” of Building 100 as shown and referenced on the drawings. Alternate includes all associated components for a complete installation. Refer to entire set of drawings for additional items pertaining to this alternate.

Item SP-4 Section 024119 – Selective Demolition (revised, but not issued this addendum):

A. Part 3 Execution, 3.5 “Disposal of Demolished Materials” revise as follows:

1. DELETE the following sentence #4

#4. Comply with requirements specified in Section 017419 “Construction Waste Management and Disposal”.

Item SP-5 Section 033000 – Cast-In-Place Concrete (issued this addendum):

A. ADD new Section 033000 – Cast-In-Place Concrete

1. See new Section 033000 – “Cast-In-Place Concrete“ attached.

Item SP-6 Section 081113 – Hollow Metal Doors and Frames (revised and reissued this addendum):

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A. Delete Section 081113 – “Hollow Metal Doors and Frames” in entirety and replace with new Section 081113 per attachment:

1. See new Section 081113 – “Hollow Metal Doors and Frames“ attached.

Item SP-7 Section 084229 – Sliding Automatic Entrances (revised, but not reissued this addendum):

A. Part 2 – Products, 2.01 Approved Manufacturer revise as follows:

1. REVISE 2.01 A, to read

A. Subject to compliance with requirements, provide products by one of the following:

1. NABCO ENTRANCES INC.

582 W 18717 Gemini Drive Muskego, WI 53150 Phone: (877) 622-2694 Fax: (888) 679-3319

2. Stanley Access Technologies, (DuraGlide 2000 Series)

3. ASSA ABLOY Entrance Systems (Besam SL500 Series)

1900 Airport Road Monroe, NC 28110 Phone: 866-237-2687

2. DELETE 2.01 B (3) breakaway panel from specification.

Item SP-8 Section 087100 - Door Hardware Schedule (revised, and reissued this addendum):

A. Part 1 – General, 1.4 Quality Assurance revise as follows:

1. 1.4 (D) Source Limitations: add the following sentence:

4. Salvage and reuse existing electromechanical door hardware where shown or noted.

B. Part 2 – Products,

1. 2.5 - Mechanical Locks and Latching Devices, revise as follows:

a) A.1 Acceptable Manufacturers

1. DELETE b) “No Substitution”

2. ADD following approved manufacturers:

b. Southern Folger Adam (FO) – D9300 Series.

C. Part 3, Execution

1. 3.8 - Door Hardware Sets, revise as follows:

a) DELETE Paragraph 3.8 Door Hardware Sets in entirety including Sets 1.0 through 11.0 and,

b) ADD the following “3.8 Door Hardware Sets” including Sets 1.0 through 17.0:

3. See Attached “3.8 Door Hardware Sets” including Sets 1.0 through 17.0.

DRAWINGS

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Architectural

Item A-1 Drawing Sheet A0-00 Cover Sheet (revised and reissued this addendum):

A. Revise List of Drawings as follows:

1. ADD List of Drawings issued 100% CD on 08/04/2017.

2. ADD List of Drawings issued this Addendum-1 on 09/21/2017.

Item A-2 Drawing Sheet A0-01 General Information (not revised, but reissued this addendum):

Item A-3 Drawing Sheet A0-02 Composite Campus Plan (revised and reissued this addendum):

A. Composite Campus Plan revise as follows:

1. Housing Unit Building 500:

a) ADD Door 500C (details 43 / A1-02 & A3-02).

2. Housing Unit Building 800:

a) Change Door 800B (details 28 / A1-02 & A3-02) to be part of Alternate #1.

3. Housing Unit Building 900:

a) Change Door 900A (details 29 / A1-02 & A3-02) to be part of Alternate #1.

4. Housing Unit Building 1200:

a) ADD Door 1200C (details 42 / A1-02 & A3-02).

b) ADD Exterior Elevations # 5/A5-04, 6/A5-04 and 7/A5-04

B. Revise “Project Phasing Legend as follows:

1. Phase-1; Note #4, Change “Test Door to # 700B.

2. Phase-2; Note #2, REVISE to read as shown.

3. Phase-2; Note #3, REVISE to read as shown.

Item A-4 Drawing Sheet A0-03 Door Schedule, Frame and Door types & Details (revised and reissued this addendum):

A. Revise Door / Opening Schedule as follows:

1. REVISE Door #100A to read #100A-1

2. ADD Door #`100A-2

3. REVISE Door #100B to read #100B-1

4. ADD Door #`100B-2

5. ADD Key Note #1 to Door 800B. (Door 800B will be included in Alternate #1).

6. ADD Key Note #1 to Door 900A. (Door 900A will be included in Alternate #1).

7. ADD Door 500C to schedule

8. ADD Door 1200C to schedule

9. REVISE Hardware Sets as shown for:

a) Doors # 100C, and 100D,;

b) Doors # 200F, 200H, 200J, 200K, 200L, 200M, 200N, and 200P;

c) Doors # 300A;

d) Doors # 400A, 400B, and 400C;

e) Doors # 500A;

f) Doors # 700A,700B, 800A, 800B, 900A, and 900B;

g) Doors # 1100A, 1100B, 1100C, 1100D, 1100E, 1100F, 1100G, 100H, and 1100K;

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h) Doors # 1200B.

B. “Frame Types” revise as follows:

1. REVISE dimensions on Frame Type elevations # “F4, F5, F6, F9, F10 and F11” as shown.

C. “Threshold Types” revise as follows:

1. ADD Threshold Type “T3” as shown.

Item A-5 Drawing Sheet A0-04 Opening Details (revised and reissued this addendum):

A. ADD note ”Glazing stop on interior side with security fasteners” to Detail # D10.

B. ADD note ”Glazing stop on interior side with security fasteners” to Detail # D16.

C. ADD note ”Glazing stop on interior side with security fasteners” to Detail # D29.

D. REVISE Detail # D14, “HM Vertical Mullion” to read Detail “#D30, as shown.

Item A-6 Drawing Sheet A0-05 Opening Details (revised and reissued this addendum):

A. ADD the following plan details to the sheet:

1. ADD Detail “D38” as shown

2. ADD Detail “D39” as shown

3. ADD Detail “D40” as shown

4. ADD Detail “D41” as shown

5. ADD Detail “D42” as shown

Item A-7 Drawing Sheet A1-01 Enlarged Door Area Floor Plans – Demo Buildings 100, & 200, (revised and reissued this addendum):

A. Enlarged Demo Door Area Floor Plans, revise as follows:

1. Enlarged Demo Plan #1 - Doors – 100A.

a) ADD Key Note # 19 to Demo Plan - Door 100A.

2. Enlarged Demo Plan #14 - Doors – 200K.

a) ADD Key Note # 18 to Demo Plan - Door 200K.

3. Enlarged Demo Plan #15 - Doors – 200L.

a) ADD Key Note # 18 to Demo Plan – Door 200L.

4. Enlarged Demo Plan #16 - Doors – 200M.

a) ADD Key Note # 18 to Demo Plan - Door 200M.

5. Enlarged Demo Plan #17 - Doors – 200N.

a) ADD Key Note # 18 to Demo Plan - Door 200N.

B. Demo Floor Plan – Legend

1. ADD hatch pattern and description for “Existing Concrete Sill Section To be Removed” as shown.

C. Demo Key Notes revise as follows:

1. ADD Demo Key Notes as follows:

a) ADD Demo Key Note # 18 as shown.

b) ADD Demo Key Note # 19 as shown.

Item A-8 Drawing Sheet A1-02 Enlarged Door Area Floor Plans – Demo

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Buildings 300, 400, 500, 700, 800, 900, 1100, & 1200, (revised and reissued this addendum):

A. Enlarged Demo Door Area Floor Plans, revise as follows:

1. Enlarged Demo Plan #28 - Doors – 800B:

a) ADD Note “ALTERNATE-1” to Door 800B. (Door 800B will be included in Alternate #1).

2. Enlarged Demo Plan #29 - Doors – 900A:

a) ADD Note “ALTERNATE-1” to Door 900A. (Door 900A will be included in Alternate #1).

3. ADD the following Enlarged Demo Plans:

a) ADD #42; Enlarged Demo Plan - Door 1200C.

b) ADD #43; Enlarged Demo Plan - Door 500C

4. Enlarged Demo Plan #24 - Doors – 500A.

a) ADD Key Note # 18 to Demo Plan - Door 500A.

5. Enlarged Demo Plan #25 - Doors – 700A.

a) ADD Key Note # 18 to Demo Plan - Door 700A.

6. Enlarged Demo Plan #26 - Doors – 700B.

a) ADD Key Note # 18 to Demo Plan – Door 700B.

7. Enlarged Demo Plan #27 - Doors – 800A.

b) ADD Key Note # 18 to Demo Plan - Door 800A.

8. Enlarged Demo Plan #28 - Doors – 800B.

a) ADD Key Note # 18 to Demo Plan - Door 800B.

9. Enlarged Demo Plan #29 - Doors – 900A.

a) ADD Key Note # 18 to Demo Plan - Door 900A.

10. Enlarged Demo Plan #30 - Doors – 900B.

a) ADD Key Note # 18 to Demo Plan - Door 900B.

11. Enlarged Demo Plan #41 - Doors – 1200B.

a) ADD Key Note # 18 to Demo Plan - Door 1200B.

B. Demo Floor Plan – Legend

1. ADD hatch pattern and description for “Existing Concrete Sill Section To be Removed” as shown.

C. Key Notes revise as follows:

1. ADD Key Notes as follows:

a) ADD Key Note # 18 as shown.

b) ADD Key Note # 19 as shown.

Item A-9 Drawing Sheet A3-01 Enlarged Door Area Floor Plans – Buildings 100 & 200 (revised and reissued this addendum):

A. Enlarged Door Area Floor Plans – Buildings 100, revise as follows:

1. Enlarged Plan Doors - 100A and 100B:

a) REVISE title to read” “Enlarged Plan Doors - 100A-1, 100A-2, 100B-1, and 100B-2.

b) REVISE Door #100A to read #100A-1

c) ADD Door #`100A-2

d) REVISE Door #100B to read #100B-1

e) ADD Door #`100B-2

B. Enlarged Door Area Floor Plans, revise as follows:

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1. Enlarged Plan #1 - Doors – 100A.

a) ADD Key Note # 19 to Demo Plan - Door 100A.

2. Enlarged Plan #14 - Doors – 200K.

a) ADD Key Note # 18 to Plan - Door 200K.

3. Enlarged Plan #15 - Doors – 200L.

a) ADD Key Note # 18 to Plan – Door 200L.

4. Enlarged Plan #16 - Doors – 200M.

a) ADD Key Note # 18 to Plan - Door 200M.

5. Enlarged Plan #17 - Doors – 200N.

a) ADD Key Note # 18 to Plan - Door 200N

C. New Floor Plan – Legend

1. ADD hatch pattern and description for New Concrete Sill Section as shown.

D. New Floor Plan Key Notes, revise as follows:

1. REVISE Key Note #16 to read as follows:

#16. Provide New 12 Gauge Aluminum Closure Panel Surround and Trim Secured to F/R Wood Blocking at Existing Steel Column.

2. ADD Key Notes as follows:

a) ADD Key Note # 18 as shown.

b) ADD Key Note # 19 as shown.

Item A-10 Drawing Sheet A3-02 Enlarged Door Area Floor Plans – Buildings 300, 400, 500, 700, 800, 900, 1100, & 1200 (revised and reissued this addendum):

A. Enlarged Door Area Floor Plans, revise as follows:

1. Enlarged Plan #28 - Doors – 800B:

a) ADD Note “ALTERNATE-1” to Door 800B. (Door 800B will be included in Alternate #1).

2. Enlarged Plan #29 - Doors – 900A:

a) ADD Note “ALTERNATE-1” to Door 900A. (Door 900A will be included in Alternate #1).

3. ADD the following Enlarged Door Area Floor Plans:

a) ADD #42; Enlarged Plan - Door 1200C.

b) ADD #43; Enlarged Plan - Door 500C

B. New Floor Plan – Legend

1. ADD hatch pattern and description for New Concrete Sill Section as shown.

C. REVISE Key Notes as follows:

1. #16 to read as follows:

#16. Provide New 12 Gauge Aluminum Closure Panel Surround and Trim Secured to F/R Wood Blocking at Existing Steel Column.

2. ADD Key Note # 18 as shown.

3. ADD Key Note # 19 as shown.

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4.

Item A-11 Drawing Sheet A5-01 Exterior Elevations, Masonry Repairs - Buildings 100 (revised, and reissued this addendum):

A. Exterior Elevations, revise as follows:

1. “Building 100 –North Elevation” – Elevation #1 revise as follows:

a. DELETE existing expansion joint shown at building corner.

2. “Building 100 - West Elevation” - Section #3 revise as follows:

a. REVISE “Section #5 to Read “ALTERNATE -2” as shown.

3. “Building 100 –Partial North Elevation” – Elevation #4 revise as follows:

a. ADD Detail tags for Section Details #1 and 2 as shown.

4. “Building 100 -Partial West Elevation” - Section #5 revise as follows:

a. REVISE “Partial West Elevation” - Section #5 to Read “ALTERNATE -2” as shown.

b. ADD Detail tags for Section Details #1 and 2 as shown.

B. Exterior Elevations – Key Notes, revise as follows:

1. ADD Key Note #13 to read as follows:

Remove and reinstall existing wall mounted equipment, conduit as required to allow for masonry repair work.

Item A-12 Drawing Sheet A5-02 Exterior Elevations, Masonry Repairs - Buildings 300 (revised, and reissued this addendum):

A. Exterior Elevations – Key Notes, revise as follows:

1. ADD Key Note #13 to read as follows:

Remove and reinstall existing wall mounted equipment, conduit as required to allow for masonry repair work.

Item A-13 Drawing Sheet A5-03 Exterior Elevations, Masonry Repairs - Buildings 800 & 900 (revised, and reissued this addendum):

A. Exterior Elevations – Key Notes, revise as follows:

1. ADD Key Note #13 to read as follows:

Remove and reinstall existing wall mounted equipment, conduit as required to allow for masonry repair work.

Item A-14 Drawing Sheet A5-04 Exterior Elevations, Masonry Repairs - Buildings 1100, & 1200 (revised and reissued this addendum):

A. Exterior Elevations, revise as follows:

1. ADD Exterior Elevations #5, 6, and 7 for Building 1200 as shown.

B. Exterior Elevations – Key Notes, revise as follows:

1. ADD Key Note #13 to read as follows:

Remove and reinstall existing wall mounted equipment, conduit as required to allow for masonry repair work.

Item A-15 Drawing Sheet A6-01 Wall Sections and Details

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(revised and reissued this addendum):

A. Wall Sections, revise as follows:

1. ADD Wall Section – Demo, “1/A6-01” as shown.

2. ADD Wall Section – New Work, “2/A6-01” as shown.

B. Details, revise as follows:

1. REVISE Typical Masonry / Flashing Detail as follows:

a. Revise to read “A/A6-01” - Typical Masonry / Flashing Detail as shown.

b. Revise notes as shown.

Electrical

Item E-1 Drawing Sheet E0-02 Composite Campus Electrical Plan (revised and reissued this addendum):

A. Composite Campus Electrical Plan revise as follows:

1. Housing Unit Building 500:

a) ADD Door 500C (details 16 / E1-01 & E3-01).

2. Housing Unit Building 800:

a) Change Door 800B (details 12 / E1-01 & E3-01) to be part of Alternate #1.

3. Housing Unit Building 900:

a) Change Door 900A to Detail 13 / E1-01 & E3-01.

b) Change Door 900B to Detail 14 / E1-01 & E3-01.

c) Change Door 900A (details 13 / E1-01 & E3-01) to be part of Alternate #1.

4. Housing Unit Building 1200:

a) ADD Door 1200C (details 17 / E1-01 & E3-01).

B. Revise “Project Phasing Legend as follows:

1. Phase-1; Note #4, Change “Test Door to # 700B.

2. Phase-2; Note #2, REVISE to read as shown.

3. Phase-2; Note #3, REVISE to read as shown.

Item E-2 Drawing Sheet E1-01 Enlarged Demo Electrical Plans (revised and reissued this addendum):

A. Enlarged Electrical Demo Plans revise as follows:

1. Enlarged Elec Demo Plan #12 - Door – 800B:

a) ADD Note “ALTERNATE-1” to Door 800B. (Door 800B will be included in Alternate #1).

2. Enlarged Elec Demo Plan #13 - Doors – 900A:

a) ADD Note “ALTERNATE-1” to Door 900A. (Door 900A will be included in Alternate #1).

3. ADD “16/E0-02 Enlarged Demo Electrical Plan - Door 500C” to the drawing as shown.

4. ADD “17/E0-02 Enlarged Demo Electrical Plan - Door 1200C” to the drawing as shown.

Item E-3 Drawing Sheet E3-01 Enlarged Electrical Plans (revised and reissued this addendum):

A. Enlarged Electrical Plans revise as follows:

1. Enlarged Elec Plan #4 - Door – 200K:

a) ADD Note “ALTERNATE-1” to Door 200K. (Door 200K will be included in Alternate #1).

2. Enlarged Elec Plan #5 - Doors – 200L:

a) ADD Note “ALTERNATE-1” to Door 200L. (Door 200L will be included in Alternate #1).

3. Enlarged Elec Plan #6 - Door – 200M:

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a) ADD Note “ALTERNATE-1” to Door 200M (Door 200M will be included in Alternate #1).

4. Enlarged Elec Plan #7 - Doors – 200N:

a) ADD Note “ALTERNATE-1” to Door 200N (Door 200N will be included in Alternate #1).

5. ADD “16/E0-02 Enlarged Electrical Plan - Door 500C” to the drawing as shown.

6. ADD “17/E0-02 Enlarged Electrical Plan - Door 1200C” to the drawing as shown.

B. New Electrical Power Plan – Key Notes, revise as follows:

1. REVISE Key Notes #6, 7, 8, and 9” as shown

**END OF ADDENDUM**

Bidding and Contract Document (R 6/16) Project Name: SCF-Entrance Door Replacement & Masonry Repairs – File No. 472/16419.APL

BID SUMMARY

DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

STATE FACILITIES ADMINISTRATION

DESIGN AND CONSTRUCTION DIVISION

3111 W. St. Joseph Street Lansing, Michigan 48917

Bids must be submitted electronically through the Buy4Michigan website at www.buy4michigan.com

FILE NUMBER

472/16419

INDEX NUMBER

46630

DEPARTMENT/AGENCY

Department of Corrections-Saginaw Correctional Facility

CONTRACT TIME(S)

See Section 00100 Instructions to Bidders (Paragraph 22)

PROJECT NAME

Department of Corrections Saginaw Correctional facility Entrance Door Replacement and Masonry Repairs

LOCATION

Saginaw Correctional Facility

BID OPENING DATE

September 27, 2017 at 2:00 pm Local Time

FOR AN EXAMINATION OF THE SITE CONTACT:

Ed LaPlante, Facility Manager Saginaw Correctional Facility 989-695-9880

SEE SECTION 00100 INSTRUCTIONS TO BIDDERS AND SECTION 00700 GENERAL CONDITIONS PROVIDED WITH THE BIDDING DOCUMENTS.

BID: WE PROPOSE TO FURNISH, PERFORM AND COMPLETE THE ENTIRE WORK IN ACCORDANCE WITH THE CONTRACT DOCUMENTS

IN CONSIDERATION OF THE BID PRICE (S) STATED BELOW.

FIRM NAME AND COMPLETE ADDRESS TELEPHONE NUMBER and E-MAIL ADDRESS

□ Qualified Disabled Veteran

FEDERAL I.D. NUMBER

(protected information required for processing payments)

BIDDER'S SIGNATURE AND TITLE DATE WITNESS' SIGNATURE DATE

By signing this bid above, bidder certifies their enclosed Qualified Disabled Veteran and Michigan-Based Business Certifications.

BASE BID FROM BID SCHEDULE (Include specified Allowances):

________________________________________________________________________Dollars $____________________ (use words) (in figures)

Alternate-1: (Subtract) ______________________________________________________ Dollars $ ____________________ (use words) (in figures)

Alternate-2: (Subtract) ______________________________________________________ Dollars $ ____________________ (use words) (in figures)

Builders Risk Insurance is NOT provided by the State of Michigan. (See Section 00700, No. 3, Paragraph 3.4.)

A PERFORMANCE BOND AND A PAYMENT BOND ARE REQUIRED FOR ALL BIDS OVER $50,000.00. EACH BID MUST BE ACCOMPANIED

BY A FIVE (5) PERCENT BID GUARANTEE.

BIDDERS ARE ALSO CAUTIONED TO FAMILIARIZE THEMSELVES WITH ALL OF THE OTHER CONDITIONS OF THE CONTRACT.

Project Scope of Work:

Removal and Replacement of existing hollow metal security doors and frames, aluminum entrances and storefront, and automatic aluminum sliding security gates. Additional work includes masonry repairs to various facility buildings. All work is within the Saginaw Correctional Facility secured perimeter of Program buildings and Housing units. Door replacement work includes new door hardware and installation of new and salvaged hardware components including remote control and door monitoring devices, new security glazing, removal/replacement and refinishing of floor and wall finishes, interior and exterior painting. Masonry repair scope of work includes tuckpointing, crack repair, brick removal and replacement, expansion joint removal and replacement, new expansion joint construction, sealants, and flashings.

.The Bidder must figure its Base Bid on the specified, or Addendum-approved, materials and equipment only. No “or equal” or substitution proposals will be permitted after Bid opening, except as provided in the General Conditions.

Addenda: Bidder acknowledges receipt of Addenda:

No. ___ dated: ________,____ No. ___ dated: ________,____ No. ___ dated: ________,____ http://www.buy4michigan.com/

Bidding and Contract Document (R 6/16) Project Name: SCF-Entrance Door Replacement & Masonry Repairs – File No. 472/16419.APL

FIRM NAME TELEPHONE NUMBER and E-MAIL ADDRESS

BID SCHEDULE

Base Bid Schedule - The Bidder will complete the Work and accept as full payment, for the Work items listed, the following Unit Prices and/or Item Bid Prices, as applicable:

Base Bid Bid Description Unit Item Bid Item No. Quantity (Bidder to write price in words) Price Price

Allowances:

No.1 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.2 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.3 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.4 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.5 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

Base Bid (Sum of Item Bid Prices for all Base Bid Items):

_______________________________________________________________________ Dollars $______________________ (use words) (in figures)

Schedule of Unit Prices - The Bidder will complete (or deduct from the Contract) the parts of the Work designated by the Unit Prices that follow and accept in full payment (or allow in full credit) for those parts of the Work the following Item Bid Prices:

Unit Price Bid Description Unit Item Bid Item No. Quantity (Bidder to write price in words) Price Price

No.1 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.2 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.3 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.4 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures)

No.5 _____________ ______________________________________ ______/___ ___________.___ (USE WORDS) (in figures) (in figures) Schedule of Alternates - The Bidder will complete (or deduct from the Contract) the parts of the Work designated by the Alternates that follow and accept in full payment (or allow in full credit) for those parts of the Work the following Item Bid Prices:

Alternate Description `` Item Bid Item No. (Bidder to write price in words) Price

____1_____ _____________________________________________________________________ Deduct ___________.___ (USE WORDS) (in figures) (in figures)

Alternate Description `` Item Bid Item2 No. (Bidder to write price in words) Price

____2_____ _____________________________________________________________________ Deduct ___________.___ (USE WORDS) (in figures) (in figures) The Bidder further acknowledges and agrees that the separate prices bid on this “Schedule of Alternates,” where they are applicable and deemed acceptable by the Owner, will be used if incorporated into the Contract when the Owner issues the Notice of Award.

PARTNERS 17-134

CAST-IN-PLACE CONCRETE

033000 - 1

SEPTEMBER 21, 2017 / BIDDING - CONSTRUCTION

SECTION 033000 - CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section specifies cast-in place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes, for the following:

1. Exposed concrete slabs-on-grade.

1.3 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following:

blended hydraulic cement, fly ash and other pozzolans, ground granulated blast-furnace slag, and silica fume; subject to compliance with requirements.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Design Mixtures: For each concrete mixture. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

1. Indicate amounts of mixing water to be withheld for later addition at Project site.

C. Steel Reinforcement Shop Drawings: Placing drawings that detail fabrication, bending, and placement.

Include bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical connections, tie spacing, hoop spacing, and supports for concrete reinforcement.

D. Material Test Reports: For the following, from a qualified testing agency, indicating compliance with requirements:

1. Aggregates. Include service record data indicating absence of deleterious expansion of concrete due to alkali aggregate reactivity.

E. Material Certificates: For each of the following, signed by manufacturers:

1. Cementitious materials.

2. Admixtures.

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3. Curing compounds.

4. Floor and slab treatments.

5. Repair materials

1.5 QUALITY ASSURANCE

A. Installer Qualifications: A qualified installer who employs on Project personnel qualified as ACI-certified Flatwork Technician and Finisher and a supervisor who is an ACI-certified Concrete Flatwork Technician.

B. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C 94/C 94M requirements for production facilities and equipment.

1. Manufacturer certified according to NRMCA's "Certification of Ready Mixed Concrete Production Facilities."

C. Testing Agency Qualifications: An independent agency, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated.

1. Personnel conducting field tests shall be qualified as ACI Concrete Field Testing Technician, Grade 1, according to ACI CP-1 or an equivalent certification program.

2. Personnel performing laboratory tests shall be ACI-certified Concrete Strength Testing Technician and Concrete Laboratory Testing Technician - Grade I. Testing Agency laboratory supervisor shall be an ACI-certified Concrete Laboratory Testing Technician - Grade II.

D. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, obtain aggregate from one source, and obtain admixtures through one source from a single manufacturer.

E. ACI Publications: Comply with the following unless modified by requirements in the Contract Documents:

1. ACI 301, "Specification for Structural Concrete,"

2. ACI 117, "Specifications for Tolerances for Concrete Construction and Materials."

F. Concrete Testing Service: Engage a qualified independent testing agency to perform material evaluation tests and to design concrete mixtures.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage.

PART 2 - PRODUCTS

2.1 FORM-FACING MATERIALS

A. Smooth-Formed Finished Concrete: Form-facing panels that will provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints.

1. Plywood, metal, or other approved panel materials.

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B. Chamfer Strips: Wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch (19 by 19 mm), minimum.

C. Form-Release Agent: Commercially formulated form-release agent that will not bond with, stain, or adversely affect concrete surfaces and will not impair subsequent treatments of concrete surfaces.

1. Formulate form-release agent with rust inhibitor for steel form-facing materials.

2.2 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420), deformed.

B. Plain-Steel Wire: ASTM A 82, as drawn.

C. Plain-Steel Welded Wire Reinforcement: ASTM A 185, plain, fabricated from as-drawn steel wire into flat sheets.

2.3 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded wire reinforcement in place. Manufacture bar supports from steel wire, plastic, or precast concrete according to CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows:

1. For concrete surfaces exposed to view where legs of wire bar supports contact forms, use CRSI Class 1 plastic-protected steel wire or CRSI Class 2 stainless-steel bar supports.

2.4 CONCRETE MATERIALS

A. Cementitious Material: Use the following cementitious materials, of the same type, brand, and source, throughout Project unless noted otherwise:

1. Portland Cement: ASTM C 150, Type I gray or supplement with the following:

a. Fly Ash: ASTM C 618, Class C or F (in footing mix only, mix 25% of cement content.).

b. Ground Granulated Blast-Furnace Slag: (in footing mix only, max 35% of Cement content).ASTM C 989, Grade 100 or 120.

B. Normal-Weight Aggregates: ASTM C 33, Class 3M coarse aggregate or better, graded. Provide aggregates from a single source with documented service record data of at least 10 years' satisfactory service in similar applications and service conditions using similar aggregates and cementitious materials.

1. Maximum Coarse-Aggregate Size: 1 inch (25 mm) nominal.

2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

C. Water: ASTM C 94/C 94M and potable.

2.5 ADMIXTURES

A. Air-Entraining Admixture: ASTM C 260.

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B. Chemical Admixtures: Provide admixtures certified by manufacturer to be compatible with other admixtures and that will not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride.

1. Water-Reducing Admixture: ASTM C 494/C 494M, Type A.

2. Retarding Admixture: ASTM C 494/C 494M, Type B.

3. Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C 494/C 494M, Type F.

5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type G.

6. Plasticizing and Retarding Admixture: ASTM C 1017/C 1017M, Type II.

2.6 VAPOR BARRIER/ RETARDERS

A. Plastic Vapor Retarder: ASTM E 1745, Class A, not less than 15 mils thick. Include manufacturer's recommended adhesive or pressure-sensitive tape.

1. Products:

a. Fortifiber Corporation; Moistop Ultra 15.

b. Raven Industries Inc.; Vapor Block 15.

c. Reef Industries, Inc.; Vapor Guard T85.

d. Stego Industries, LLC; Stego Wrap, 15 mils.

2.8 CURING MATERIALS

B. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.

1. Products:

a. Axim Concrete Technologies; Cimfilm.

b. Conspec Marketing & Manufacturing Co., Inc., a Dayton Superior Company; Aquafilm.

c. Dayton Superior Corporation; Sure Film.

d. Euclid Chemical Company (The); Eucobar.

e. L&M Construction Chemicals, Inc.; E-Con.

f. Meadows, W. R., Inc.; Sealtight Evapre.

g. Sika Corporation, Inc.; SikaFilm.

h. Symons Corporation, a Dayton Superior Company; Finishing Aid.

C. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. (305 g/sq. m) when dry.

D. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.

E. Water: Potable.

F. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, 18 to 25 percent solids, nondissipating, certified by curing compound manufacturer to not interfere with bonding of floor covering.

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1. Products:

a. Conspec Marketing & Manufacturing Co., Inc., a Dayton Superior Company; High Seal.

b. Dayton Superior Corporation; Safe Cure and Seal (J-19).

c. Euclid Chemical Company (The); Diamond Clear VOX.

d. L&M Construction Chemicals, Inc.; Dress & Seal WB.

e. MBT Protection and Repair, Div. of ChemRex; MasterKure-N-Seal VOC.

f. Meadows, W. R., Inc.; Vocomp-20.

g. Sonneborn, Div. of ChemRex; Kure-N-Seal.

h. Symons Corporation, a Dayton Superior Company; Cure & Seal 18 Percent E.

2.7 RELATED MATERIALS

A. Expansion- and Isolation-Joint-Filler Strips: ASTM D 1751, asphalt-saturated cellulosic fiber.

2.8 REPAIR MATERIALS

A. Repair Overlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8 inch (3.2 mm) and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C 150, portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219.

2. Primer: Product of topping manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch (3.2 to 6 mm) or coarse sand as recommended by topping manufacturer.

4. Compressive Strength: Not less than 5000 psi (34.5 MPa) at 28 days when tested according to

ASTM C 109/C 109M.

2.9 CONCRETE MIXTURES, GENERAL

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, according to ACI 301.

1. Use a qualified independent testing agency for preparing and reporting proposed mixture designs based on laboratory trial mixtures.

A. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland cement in concrete as follows:

1. Fly Ash: 25 percent.

2. Combined Fly Ash and Pozzolan: 25 percent.

3. Ground Granulated Blast-Furnace Slag: 35 percent.

4. Combined Fly Ash or Pozzolan and Ground Granulated Blast-Furnace Slag: 50 percent portland cement minimum, with fly ash or pozzolan not exceeding 25 percent.

B. Limit water-soluble, chloride-ion content in hardened concrete to 0.06 percent by weight of cement.

C. Admixtures: Use admixtures according to manufacturer's written instructions.

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1. Use water-reducing or high-range water-reducing admixture in concrete, as required, for placement and workability.

2. Use water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

3. Use water-reducing admixture in pumped concrete, concrete for heavy-use industrial slabs and parking structure slabs, concrete required to be watertight, and concrete with a water-cementitious materials ratio below 0.50.

2.10 CONCRETE MIXTURES FOR BUILDING ELEMENTS

A. Exterior Concrete and exposed slabs: Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 4,000 psi (24.1 MPa) at 28 days.

2. Maximum Water-Cementitious Materials Ratio: 0.48.

3. Slump Limit4 inches (100 mm) or 8 inches (200 mm) for concrete with verified slump of 2 to 4 inches (50 to 100 mm) before adding high-range water-reducing admixture or plasticizing admixture, plus or minus 1 inch (25 mm).

1. Air Content: 6 percent, plus or minus 1.5 percent at point of delivery for 1-inch (25-mm) nominal maximum aggregate size.

2.11 FABRICATING REINFORCEMENT

A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice."

2.12 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94/C 94M, and furnish batch ticket information.

1. When air temperature is between 85 and 90 deg F (30 and 32 deg C), reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F (32 deg C), reduce mixing and delivery time to 60 minutes.

PART 3 - EXECUTION

3.1 FORMWORK

A. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117.

B. Limit concrete surface irregularities, designated by ACI 347R as abrupt or gradual, as follows:

1. Class B, 1/4 inch (6 mm) for smooth-formed finished surfaces.

C. Construct forms tight enough to prevent loss of concrete mortar.

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D. Fabricate forms for easy removal without hammering or prying against concrete surfaces. Provide crush or wrecking plates where stripping may damage cast concrete surfaces. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical.

1. Install keyways, recesses, and the like, for easy removal.

2. Do not use rust-stained steel form-facing material.

E. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips; use strike-off templates or compacting-type screeds.

F. Chamfer exterior corners and edges of permanently exposed concrete.

G. Clean forms and adjacent surfaces to receive concrete. Remove chips, wood, sawdust, dirt, and other debris just before placing concrete.

H. Coat contact surfaces of forms with form-release agent, according to manufacturer's written instructions, before placing reinforcement.

3.2 STEEL REINFORCEMENT

A. General: Comply with CRSI's "Manual of Standard Practice" for placing reinforcement.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that would reduce bond to concrete.

C. Accurately position, support, and secure reinforcement against displacement. Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars.

D. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

E. Install welded wire reinforcement in longest practicable lengths on bar supports spaced to minimize sagging. Lap edges and ends of adjoining sheets at least one mesh spacing. Offset laps of adjoining sheet widths to prevent continuous laps in either direction. Lace overlaps with wire.

3.3 JOINTS

A. General: Construct joints true to line with faces perpendicular to surface plane of concrete.

B. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Architect.

1. Place joints perpendicular to main reinforcement. Continue reinforcement across construction joints, unless otherwise indicated. Do not continue reinforcement through sides of strip placements of floors and slabs.

2. Form keyed joints as indicated. Embed keys at least 1-1/2 inches (38 mm) into concrete.

3. Locate joints for beams, slabs, joists, and girders in the middle third of spans. Offset joints in girders a minimum distance of twice the beam width from a beam-girder intersection.

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4. Locate horizontal joints in walls and columns at underside of floors, slabs, beams, and girders and at the top of footings or floor slabs.

5. Space vertical joints in walls as indicated. Locate joints beside piers integral with walls, near corners, and in concealed locations where possible.

6. Use a bonding agent at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

7. Use epoxy-bonding adhesive at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

C. Isolation Joints in Slabs-on-Grade: After removing formwork, install joint-filler strips at slab junctions with vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated.

1. Extend joint-filler strips full width and depth of joint, terminating flush with finished concrete surface, unless otherwise indicated.

2. Install joint-filler strips in lengths as long as practicable. Where more than one length is required, lace or clip sections together.

3.4 CONCRETE PLACEMENT

A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections have been performed.

B. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Architect.

C. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of

ACI 301.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

D. Deposit and consolidate concrete for floors and slabs in a continuous operation, within limits of construction joints, until placement of a panel or section is complete.

1. Consolidate concrete during placement operations so concrete is thoroughly worked around reinforcement and other embedded items and into corners.

2. Maintain reinforcement in position on chairs during concrete placement.

3. Screed slab surfaces with a straightedge and strike off to correct elevations.

4. Slope surfaces uniformly to drain where required.

5. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane, before excess bleedwater appears on the surface. Do not further disturb slab surfaces before starting finishing operations.

E. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

1. When average high and low temperature is expected to fall below 40 deg F (4.4 deg C) for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

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2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

3. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

F. Hot-Weather Placement: Comply with ACI 301 and as follows:

1. Maintain concrete temperature below 90 deg F (32 deg C) at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor's option.

2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

3.5 FINISHING FORMED SURFACES

A. Smooth-Formed Finish: As-cast concrete texture imparted by form-facing material, arranged in an orderly and symmetrical manner with a minimum of seams. Repair and patch tie holes and defects. Remove fins and other projections that exceed specified limits on formed-surface irregularities.

1. Apply to concrete surfaces exposed to public view, to receive a rubbed finish, to be covered with a coating or covering material applied directly to concrete.

3.6 FINISHING FLOORS AND SLABS

A. General: Comply with ACI 302.1R recommendations for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

B. Float Finish: Consolidate surface with power-driven floats or by hand floating if area is small or inaccessible to power driven floats. Restraighten, cut down high spots, and fill low spots. Repeat float passes and restraightening until surface is left with a uniform, smooth, granular texture.

1. Apply float finish to surfaces to receive trowel finish.

C. Trowel Finish: After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel. Continue troweling passes and restraighten until surface is free of trowel marks and uniform in texture and appearance. Grind smooth any surface defects that would telegraph through applied coatings or floor coverings.

1. Apply a trowel finish to surfaces exposed to view or to be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-film-finish coating system.

2. Finish and measure surface so gap at any point between concrete surface and an unleveled, freestanding, 10-foot- (3.05-m-) long straightedge resting on 2 high spots and placed anywhere on the surface does not exceed 3/16 inch (4.8 mm).

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D. Trowel and Fine-Broom Finish: Apply a first trowel finish to surfaces where ceramic or quarry tile is to be installed by either thickset or thin-set method. While concrete is still plastic, slightly scarify surface with a fine broom.

1. Comply with flatness and levelness tolerances for trowel finished floor surfaces.

3.7 CONCRETE PROTECTING AND CURING

A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures.

Comply with ACI 306.1 for cold-weather protection and ACI 301 for hot-weather protection during curing.

B. Evaporation Retarder: Apply evaporation retarder to unformed concrete surfaces if hot, dry, or windy conditions cause moisture loss before and during finishing operations. Apply according to manufacturer's written instructions after placing, screeding, and bull floating or darbying concrete, but before float finishing.

C. Formed Surfaces: Cure formed concrete surfaces, including supported slabs, and other similar surfaces.

If forms remain during curing period, moist cure after loosening forms. If removing forms before end of curing period, continue curing for the remainder of the curing period.

D. Unformed Surfaces: Begin curing immediately after finishing concrete. Cure unformed surfaces, including floors and slabs, concrete floor toppings, and other surfaces.

E. Cure concrete according to ACI 308.1, by one or a combination of the following methods:

1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:

2. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches (300 mm), and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

3. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Maintain continuity of coating and repair damage during curing period.

4. Curing and Sealing Compound: Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Repeat process 24 hours later and apply a second coat. Maintain continuity of coating and repair damage during curing period.

3.8 LIQUID FLOOR TREATMENTS

A. Sealing Coat: Uniformly apply a continuous sealing coat of curing and sealing compound to hardened concrete by power spray or roller according to manufacturer's written instructions.

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3.9 CONCRETE SURFACE REPAIRS

A. Defective Concrete: Repair and patch defective areas when approved by Architect. Remove and replace concrete that cannot be repaired and patched to Architect's approval.

B. Patching Mortar: Mix dry-pack patching mortar, consisting of one part portland cement to two and one-half parts fine aggregate passing a No. 16 (1.18-mm) sieve, using only enough water for handling and placing.

C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks, spalls, air bubbles, honeycombs, rock pockets, fins and other projections on the surface, and stains and other discolorations that cannot be removed by cleaning.

1. Immediately after form removal, cut out honeycombs, rock pockets, and voids more than 1/2 inch (13 mm) in any dimension in solid concrete, but not less than 1 inch (25 mm) in depth. Make edges of cuts perpendicular to concrete surface. Clean, dampen with water, and brush-coat holes and voids with bonding agent. Fill and compact with patching mortar before bonding agent has dried.