Southgate Schools - 2018 Roofing - Addendum #1 .pdf

ADDENDUM #1

Client: Southgate Community Schools Project: 2018 Roofing Replacement

Facility: Anderson High School Project No.: T16015.RFG4

Address: 15475 Leroy Street Date: October 31, 2017

Southgate, MI 48195

This Addendum forms a part of the Contract Documents and modifies the original Bidding Documents, dated November 2016.

Acknowledge receipt of this addendum in the space provided on the Bid Form. Failure to do so may subject bidder to disqualification.

This addendum consists of 15 page(s).

Item #1: For Information: Attached is the Pre-Bid Sign-In Sheet with contact information from all that attended the pre-bid meeting.

Item #2: For Information: Arrange field verification visits by contacting Kody Tolliver with StructureTec (kody.tolliver@structuretec.com) or Rob Kakoczki with Plante Moran (Rob.Kakoczki@plantemoran.com) and signing in at the main office prior to beginning any field verification or measurements.

Item #3: For Information: Paving and sidewalks were replaced last year and should be protected. Any damage to paving or sidewalks as result of the roofing replacement process will be contractor’s liability.

Item #4: For Information: Actively clean all school facilities during roofing replacement as well as verifying tear off location inside facility to monitor possible conduit or obstructions. The contractors are responsible for keeping the interiors of the schools clean of dust at the end of each work day.

Generally the tops of ceiling tiles will not require cleaning, however at deck laps, deck openings, walls etc. excess debris could occur and any excess debris on ceiling tiles should be removed.

Contractor should periodically verify that excess debris is not on top of ceiling tiles.

Item #5: For Information: Roofing contractor is required to fill any ruts, provide top soil, seed and straw landscape in the event of damage due to roofing replacement processes. Refer to Section 02901 Landscaping for Roofing.

Item #6: For Information: Section 07700 Roof Specialties and Accessories for information regarding ladder requirements.

Item #7: For Clarification: All obsolete curbs or abandoned are to be removed within the roofing replacement project.

Item #8: For Clarification: Tectum deck areas where obsolete curbs are removed; cover holes 4sf or less with metal plating as specified. Openings larger than 4sf shall require shop drawing review and approval by consultant’s engineer.

Item #9: For Clarification: Tapered insulation shall be mechanically fastened over the two base layers of insulation.

Item #10: For Clarification: 4-way tapered insulation around drains shall extend outward with ending thickness to match total thickness of polyisocyanurate flat stock insulation scheduled at each roof area.

A Addendum #1 Project No. T16015.RFG4 – Southgate Community Schools October 2017

Starting thickness at drains shall be determined by the overall size of each sump scheduled for each roof area. Insulation thickness shall not exceed 2.0 inches. The tapered insulation system shall be designed, manufactured, and supplied by a single source manufacturer.

Item #11: For Clarification: All fully tapered insulation systems shall be 4-way tapered unless otherwise specified. Wood nailers at perimeter edge shall match high point insulation thickness as to create a uniform nailer width around perimeter edge. Tapered edge stripping shall be provided along nailers to create smooth transition from nailer to insulation.

Item #12: For Clarification: Reference Project Bid Pack #1 Drawings and Details; RP-1 – Anderson High School; the roof area with the curb flashing installation GN-5 is not part of the complete roofing replacement scope.

Item #13: For Clarification: Reference Project Bid Pack #1 Drawings and Details; RP-1 – Anderson High School; GN-10 includes installation of six (6) steel access ladders and removal of one (1) unsafe roof access ladder where applicable.

Item #14: For Clarification: Reference Project Bid Pack #1 Drawings and Details; RP-1 – Anderson High School; GN-5 the four (4) exhaust units will be replaced by mechanical contractor and the roofing contractor is to provide flashing at units at time of replacement. No temporary flashing should be accounted for.

Item #15: For Clarification: Reference Project Bid Pack #1 Drawings and Details; RP-1 – Anderson High School; Roof Area E; the upslope drain, SW portion of the roof area, should be converted to an overflow roof drain.

Item #16: For Addition: Reference Project Bid Pack #1, Drawings and Details; ADD D-30 Fastener Placement Attaching Base Sheet appended. Base sheet attachment is for use at Roof Area E.

Item #17: For Revision: Reference Project Bid Pack #1; Section 07220 – Roof and Deck Insulation; Page 4;

Section 3.02 INSULATION SCHEDULE; Replace with:

A. Roof Areas A, B, C, D, F & H

1. Base layer - 2.0 inch polyisocyanurate insulation - mechanically attached

2. 0.125 inch per foot four (4) way fully-tapered insulation system – mechanically attached.

B. Roof Area E

1. Base sheet mechanically attached to tectum deck.

2. Base layer – 2.0 inch polyisocyanurate insulation – adhered

3. 0.125 inch per foot four (4) way fully tapered insulation system - adhered

C. Roof Area G

1. Two (2) layers – 1.5 inch polyisocyanurate insulation – mechanically attached

2. 0.50 inch per foot tapered saddles where indicated on the drawings.

D. Roof Area I

1. Re-use existing 2.0 inch polyisocyanurate insulation

2. 0.50 inch per foot tapered saddles where indicated on the drawings.

E. Roof Areas J, K & L

1. One (1) layer – 1.5 inch polyisocyanurate insulation – mechanically attached

2. Re-use existing 2.0 inch polyisocyanurate insulation

3. 0.50 inch per foot tapered saddles where indicated on the drawings.

A Addendum #1 Project No. T16015.RFG4 – Southgate Community Schools October 2017

Item #18: For Revision: Reference Project Bid Pack #1; Section 01101 – Summary for Roofing; Page 2;

Section 1.02 BASE SCOPE OF WORK; E. Roof Insulation; 4.; Replace with:

4. Re-use existing polyisocyanurate roof insulation at Roof Areas I, J, K & L as specified.

a. Include allowance for 1,000 sqft of 2.0 inch polyisocyanurate to use for wet/damaged insulation replacement. Roof Areas I, K, & L to each receive approximately 300sqft of the 1,000sqft allowance. Roof Area J to receive approximately 100sqft of the allowance.

Item #19: For Revision: Reference Project Front End; Section 00300 – Information to Bidders; Page 1 & 2;

Section 1.01 BIDDER INFORMATION; E.; 1. Test Cut Data; a. Bid Pack #1 – Anderson High School Base Bid; Replace with:

Roof Areas A, B, C, D, F & G -EPDM Membrane – fully adhered -2.0 inch polyisocyanurate insulation – mech. attached -Lightweight concrete – tapered -Steel Form Deck

Roof Area E -EPDM Membrane – fully adhered -2.0 inch polyisocyanurate insulation – mech. attached -Lightweight concrete – tapered -Tectum Deck

Item #20: For Revision: Reference Project Front End; Section 00401 – Bid Form for Roofing; Replace with appended bid form.

Item #21: For Revision: Reference Project Bid Pack #1; Section 01101 – Summary for Roofing; Replace with appended Summary for Roofing.

StructureTec Representative StructureTec Representative

END OF ADDENDUM

D-30

OCTOBER 20172018 ROOFING BOND PROGRAM-BID PACKAGE #1

THOMAS J. ANDERSON HIGH SCHOOL

SOUTHGATE COMMUNITY SCHOOLS

SOUTHGATE, MICHIGAN 48195

A

Southgate Community Schools – 2018 Roofing Bond Program

T16015.RFG3

00401 - 1 Addendum #1

BID FORM FOR ROOFING

October 2017

SECTION 00401

Project: Southgate Community Schools - 2018 Roofing Bond Program Bid Due: Tuesday, November 7th, 2017 at 2:00pm (local time) Bid To: Theresa McLachlan

Name of Bidder:

1.01 GENERAL

A. The undersigned Bidder proposes and agrees, if this Bid is accepted, to enter into an Agreement with the Owner to complete all Work as specified or indicated in the Procurement Documents.

B. Bidder accepts all of the terms and conditions of the Procurement Documents, including without limitation those dealing with the disposition of Bid Security. This Bid will remain open for 60 days after the day of Bid opening.

C. In submitting this Bid, Bidder represents, as more fully set forth in the Bidding Documents, that:

1. Bidder has examined a complete set of the Procurement Documents, including any Addenda herein, receipt of which shall be acknowledged.

Date Addendum Number

2. Bidder has examined the site and locality where the Work is to be performed, the legal requirements (federal, state and local laws, ordinances, rules and regulations) and the conditions affecting cost, progress or performance of the Work, and has made such independent investigations as Bidder deems necessary.

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00401 - 2 Addendum #1

3. This Bid is genuine and not made in the interest of or on behalf of any undisclosed person, firm or corporation and is not submitted in conformity with any other agreement or rules of any group, association, organization or corporation; Bidder has not directly induced or solicited any other Bidder to submit a false Bid; Bidder has not solicited or induced any person, firm or a corporation to refrain from bidding; and Bidder has not sought by collusion to obtain for himself any advantage over any other Bidder or over the Owner.

4. The Bidder agrees that the prices set forth are correct and that no mistake or error has occurred in the Bidder’s computations.

5. The Bidder understands that the Owner will not be liable for any amount in excess of the Bid Amount, except as expressly stated in written Change Orders duly executed and delivered by the Owner.

6. The Bidder declares that in preparing this Bid, all labor, materials and products are available to meet the completion date.

7. The Bidder agrees that the Owner reserves the right to accept or reject this Bid, or any portion thereof.

8. The Bidder shall bid all or select Base Bid items and bid shall include all items within each base bid items.

1.02 BID DOCUMENTS: THE FOLLOWING INFORMATION WILL BE SUPPLIED PER THE

REQUIREMENTS OF THE PROCUREMENT DOCUMENTS.

A. Identify all manufacturers and contractors proposed for those portions of the Work listed below.

Description of Work Product Manufacturer Contractor

1. Demolition

2. Decking

3. Insulation

4. Membrane

5. Flashings

6. Sheet Metal

7. Warranty Provision

B. Lump Sum Pricing for Separate Base Scopes of Work

1. Base Bid – Item #1 at Anderson HS:

a. Roof Replacement at Roof Areas C, F & G $ ___________________

b. 10’ x 10’ Deck repair section (Allowance) $ _20,000____________

c. Install six (6) new access ladders $ ___________________

d. Provide flashing at four (4) new exhaust hoods $ ___________________

TOTAL $ ___________________

2. Base Bid – Item #2 at Anderson HS:

a. Roof Replacement at Roof Areas A, B & D $ ___________________

TOTAL $ ___________________

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00401 - 3 Addendum #1

C. Requirements for Alternate Bids:

1. The Bidder is required to provide a bid price for each Alternate Work Item that includes any change in cost that may be incurred, or adjustment that may be required, if Alternate Work Items are added to the scope of the project. No subsequent “extras” will be considered for coordination or incidentals required to complete Alternate Bid Work Items.

2. Award of this contract will be based upon the Base Bid or Base Bid and Alternate

Work Items as selected by the Owner.

3. All selected Alternate Work Items must be completed within the contract schedule included in Part E of this Section.

D. Lump Sum Pricing for Alternate Work Items

1. Alternate - Item #1: Anderson: Roof Replacement Area E $_______________

2. Alternate - Item #1: Anderson: Roof Replacement Area H $_______________

3. Alternate - Item #2: Anderson: Roof Replacement Area I $_______________

4. Alternate - Item #3: Anderson: Roof Replacement Area J $_______________

5. Alternate - Item #4: Anderson: Roof Replacement Area K $_______________

6. Alternate - Item #5: Anderson: Roof Replacement Area L $_______________

E. Schedule

1. The Bidder agrees that the Work will be substantially and fully completed on or before the dates specified under Article 8, Time, of Section 00800, Supplementary Conditions.

2. The Bidder agrees to have all labor, materials, equipment, etc., available to start within 14 calendar days of executing a Contract with the Owner.

3. Scheduling – Base Bid - Item #1: Anderson Roofing Replacement

a. Projected starting time: (date) ________________

b. Working days to complete: (days) ________________

4. Scheduling – Base Bid - Item #2: Anderson Roofing Replacement

a. Projected starting time: (date) ________________

b. Working days to complete: (days) ________________

F. Bonds

1. Cost of Performance and Payment Bonds must be included in the above lump sum pricing.

T16015.RFG3

00401 - 4 Addendum #1

G. Unit Pricing

1. Unit prices will be used to determine the cost for Work that is not inclusive or a part of the Base Bid and/or Alternate Work items, for unknown items which may be incorporated into the contract sum by way of a Change Order as determined by the Owner.

2. Unit prices will be used to determine the amount to be added to, or deducted from, the contract sum for minor adjustments to the specified scope of Work.

Owner will have final determination of what constitutes minor adjustments to the contract sum.

3. Unit prices shall be provided in accordance with the materials and procedures specified (including labor, material, overhead, profit and taxes) to remove/dispose of existing materials and provide the following:

a. Metal deck replacement $ /S.F.

b. Wood deck replacement $ /S.F.

c. Gypsum deck replacement $ /S.F.

d. Cementitious wood fiber plank deck replacement $ /S.F.

e. Gypsum deck repair $ /S.F.

f. Cementitious wood fiber plank deck repair $ /S.F.

g. Metal deck anti-corrosive treatment $ /S.F.

h. New roof drains with service connection to existing piping $ /drain

i. New roof drains without service connection $ /drain

j. Drain insert $ /drain

k. Wood blocking replacement 1 x 4 $ /L.F.

1 x 6 $ /L.F.

1 x 8 $ /L.F.

2 x 4 $ /L.F.

2 x 6 $ /L.F.

2 x 8 $ /L.F.

2 x 10 $ /L.F.

4 x 4 cant $ /L.F.

2 x 2 cant $ /L.F.

3/4" plywood $ /L.F.

l. A.C.R.M removal and disposal $ /C.YD.

m. Walkway pads $ /unit

n. Perform other roof/repair work as directed Time and material mark-up (include labor, equip. etc.) $ /HR.

Material mark-up $ 10% /%

T16015.RFG3

00401 - 5 Addendum #1

All additional hourly work directed by the Owner shall be done during the duration of the contract at the hourly rates indicated below:

HOURLY RATE BASIS – LABOR (INCLUDING OVERHEAD AND PROFIT)

TITLES

STRAIGHT TIME

OVERTIME

(Straight time + premium)

Laborer

$ /Hr.

Supervisor

Foreman

Journeyman

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00401 - 6 Addendum #1

1.03 ACCEPTANCE OF PROPOSAL

The Bidder, by its officers and its agents or representatives present at the time of filing this Bid, being duly sworn on their oaths, say that neither they nor any of them have in any way, directly or indirectly, entered into any arrangement or agreement with any Bidder, or with any officer of any contracting parties whereby such affiant or affiants has paid or is to pay such other Bidder or officer any sum of money, has given, or intends to give, to such other Bidder or officer anything of value whatever; that such affiant or affiants has not, directly or indirectly, entered into any arrangement or agreement with any other free competition in the letting of the Contract sought for by the attached Bids;

that no inducement of any form or character other than that which appears on the face of the Bid will be suggested, offered, paid or delivered to any person whomsoever to influence the acceptance of the Bid or awarding of the Contract; that this Bidder has no agreement or understanding of any kind whatsoever, with any person whomsoever, to pay, deliver to, or share with any other person, in any way or manner, any of the proceeds of the Contract sought by this bid.

By _________________________________________________________________

(Corporation Name)

(State of Incorporation)

By _________________________________________________________________

(Name of Person Authorized to Sign)

(Title)

(Corporate Seal)

Attest ________________________________________________________________

(Witness)

Business Address ___________________________________________________

Phone No. __________________________ Fax No. ________________________

Date ________________________________________________________________

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00401 - 7 Addendum #1

1.04 ATTACHMENTS

A. Contractor shall provide the following attachments:

1. Bid Bond or Certified Check

2. Certificate of Insurance

3. The Familial Disclosure Statement (form attached)

4. Iranian Sanctions Act (form attached)

END OF SECTION 00401

Southgate Community Schools - 2018 Roofing Replacement - Bid Pack #1 - Anderson High School

T16015.RFG3

01101 - 1 Addendum #1

SUMMARY FOR ROOFING

SECTION 01101

PART 1 - GENERAL REQUIREMENTS

1.01 DESCRIPTION OF WORK

A. The Work shall be completed at:

T.J. Anderson High School 15475 Leroy Street Southgate, Michigan, 48195

B. Area totals approximately 70,215 square feet.

1. Base Scope of Work - Roof Areas A, B, C, D, F & G - 54,215 square feet

2. Alternate Scope of Work - Roof Areas E, H, I, J, K & L - 16,000 square feet

1.02 BASE SCOPE OF WORK

A. General: This Section is for the convenience of the Contractor only, and should not be construed as a complete accounting of all Work to be performed.

B. The extent of the Work is indicated on the Drawings and by the requirements in each Specification Section.

C. Demolition and Roof Preparation

1. Remove existing roof system down to the existing steel form deck substrate as specified. This includes; roof membrane, insulation, roof base flashings, perimeter metal and other roof related flashings.

2. Cover existing roof level EIFS with plastic sheeting to prevent damage or soiling.

3. Provide repairs to the decking (unit cost).

D. Rough Carpentry

1. Provide new wood blocking where designated.

2. Provide new plywood sheathing where designated.

3. Replace rotted/deteriorated wood blocking (unit cost).

E. Roof Insulation

1. Provide new roof insulation components.

2. Provide new batt insulation as specified.

3. Provide new tapered insulation components.

Southgate Community Schools - 2018 Roofing Replacement - Bid Pack #1 - Anderson High School

T16015.RFG3

01101 - 2 Addendum #1

4. Re-use existing polyisocyanurate roof insulation as at Roof Areas I, J, K & L as specified.

a. Include allowance for 1,000 sqft of 2.0 inch polyisocyanurate to use for wet/damaged insulation replacement.

F. Roof System/Flashings

1. Provide new single-ply membrane and associated flashings.

G. Roof Related Sheet Metal

1. Provide new pre-finished metal and field of roof sheet metal flashings where designated.

H. Plumbing

1. Provide replacement of all existing drain clamping rings, bolts and strainers.

I. Miscellaneous

1. Provide new walkway pads at designated locations including roof access / step-off points and at access doors of serviceable roof top equipment.

2. Provide new non-penetrating pipe supports at designated locations as specified.

3. Provide flashing at four (4) new exhaust hoods at gym roof where indicated.

4. Install six (6) new ladders at specified locations. Remove one (1) existing unsafe ladder.

5. Roof deck repair. Provide lift access to underside of pool area (see roof plan for exact location) for review by Consultant. Necessary repairs to be handled via T&M cost basis.

1.03 SCHEDULE OF ALTERNATES

A. Roofing Replacement at Roof Areas E, H, I, J, K & L.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01101