west end elementary roof and rtu replacement...addendum no 2 for west end elementary roof and rtu...

Addendum No 2 for

WEST END ELEMENTARY ROOF AND RTU REPLACEMENT

7453 ERNST PKWY INDUSTRY, TX 78944

RICE & GARDNER CONSULTANTS, INC. 6161 SAVOY DR., #1212 HOUSTON, TEXAS 77036

PROJECT NO. 20.007

MWA ARCHITECTS, INC. 11767 KATY FREEWAY, SUITE #430

HOUSTON TEXAS 77079 PROJECT NO. 20-14

Addendum Publication Date June 2, 2020

Note: This addendum includes this cover and 32 additional 8 ½ x 11 pages plus 4 sheets.

ADDENDUM NO. 2 JOB NO. RGCI 2020.007 (MWA NO. 20-14)

BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

To: Plans and Specifications for Bellville ISD West End Roof and RTU Replacement

This addendum is generally separated into sections for convenience; however, all contractors, subcontractors, and other parties shall be responsible for reading the entire addendum. The failure to list an item or items in all affected sections of this addendum does not relieve any party from performing as per instructions, provided that the information has been set forth one time any place in this addendum. This addendum shall be attached to and become a part of the Contract Documents for this project and modifies said documents as follow. All impacted documents detailed within PART 2 and PART 3 sections below contain “Addendum 2” within the title of the specification.

PART 1 - PRE-BID CONFERENCE MINUTES / GENERAL ITEMS

1.1 Pre-Bid Sign-In Sheet is attached to this addendum. Pre-Bid Conference was mandatory. Attachments include attendees’ business cards, asbestos contractor information, and Pre-Bid Meeting Agenda.

1.2 West End Elementary School is located at 7453 Ernst Parkway, Industry, TX 78944. The roof work includes removing approximately 19,000 SF of existing roof and replacing it with a fully adhered TPO roof system. Work will include removing existing membrane and insulation down to the wood or metal roof decking and installing a new roof assembly with minimum R25 insulation. Work incudes adding metal soffit panels over existing roof overhangs, replacing existing skylight system with a Kalwall or similar system, adding new downspouts and gutters, and minor abatement work.

Nine (9) existing packaged rooftop units will be replaced with new and reconnected to existing ductwork. All existing conduit on the roof shall be raised to accommodate the new roof height. Wiring shall be spliced and extended as necessary to accommodate new height. Electrical terminations to nine rooftop units and five fans shall be disconnected/reconnected as required to accommodate new or raised equipment. Other work includes replacing propane gas piping on the roof to new elevation. Existing vents through the roof shall be raised to 6" above the new roof height.

1.3 Bid documents for roofing & MEP Scope of work can be found at the following website:

http://www.bellvilleisd.org/departments/business_department/purchasing/bid__proposal

1.4 Proposals will be received until 12:00 pm on FRIDAY, JUNE 5, 2020 at the Board Room of the Bellville Independent School District, 518 S. Mathews Street, Bellville, TX 77418. At 3:00pm, the proposals will be opened, and the amounts read aloud. Bidders are not required to attend opening.

By noontime, June 5, 2020, hand-deliver or mail your sealed enveloped bids to Bellville ISD Administration to the attention of Mr. Dennis Jurek, 518 South Mathews, Bellville, TX 77418. Bids received at 12:01pm will not be accepted. Bidders shall arrange to deliver bids prior to noontime. When hand-delivering, front receptionist will have a Sign-In Sheet for bidders to sign. Receptionist will also provide a time-stamped receipt of delivery.

1.5 Notice-to-Proceed to awarded bidder will be announced on June 11. The Pre-Construction Meeting will take place Monday, June 15TH at West End Elementary School.

1.6 Section 00100 of the Specifications provides Instructions for Bidding and includes detailed bidding instructions. Per Addendum #1, Qualification Statement (AIA Document A305) will be submitted along with your proposals on bid due date, not 10 days prior to bid due date.

http://www.bellvilleisd.org/departments/business_department/purchasing/bid__proposal

MWA Architects, Inc. Addendum #2 Page 2 of 8

1.7 Each bid must be accompanied by bid security in the amount of 5% of the total bid. This is to be in a standard size envelope affixed to the outside of the Proposal envelope. Performance and Payment Bond in an amount of 100% of the total contract price is required.

1.8 Base Price will include Allowance #1 Owner Contingency. This is shown on the Base Bid Form on page 2 of the Instructions to Bidders, and more detailed description is found in Section 01 21 00 Addendum 1 ALLOWANCES. Allowance #1 for Owner Contingency will be included in the amount of $40,000.00.

1.9 The project will have no alternates. Any reference to alternates in previously issued documents is deleted. All work detailed in plans, specifications and Addendum #1 are part of Base Bid. Contractor will provide a turn-key product to Bellville ISD.

1.10 A Unit Prices Schedule is included in Page 2 of Proposal Form. Unit prices must be completed and submitted with bids. The listed unit prices are included in case the roof deck is found to be damaged once existing roof is removed. Any damaged existing wood rafters will be reviewed on the field on a case-by-case basis and the Owner Contingency will be used accordingly to make required repairs. Unit Prices are included only for damaged roof deck. Refer to specification, section 01 22 00 Addendum 1 Unit Prices for additional information.

1.11 The Substantial Completion date is August 2, 2020.

1.12 The estimated construction cost is $500,000.00, which includes Allowance #1. This amount supersedes the original project construction budget shown in Specification, Section 00 01 02 Project Information.

1.13 Bid Selection Criteria and Weighting is included in Page 9 of the Section 00 01 02 Project Information.

1.14 A list of standard AIA standard forms is listed in Section 00 81 00 Special Conditions, Page 4, which are part of the Contract Documents.

1.15 Per Specifications Section 00 81 00 Special Conditions, Page 6, when the contractor experiences delay during the construction period for which he is entitled to an extension of time, he shall submit a written request to the Owner for such extension. However, extra compensation will not be allowed due to adverse weather conditions.

1.16 Any substitution request or pre-bid questions shall be submitted as soon as possible. Substitution request and questions deadline is Thursday, May 28 at 12:00pm. If a substitution request is accepted, then will be listed in Addendum #2.

1.17 Refer to Page 11 of Section 00 81 00 Special Conditions for prevailing Wage Rates.

1.18 Per Auston County, a building permit is not required for this project involving roof and RTU replacement work.

1.19 For RTU procurement, contact the following companies for equipment specified as the basis-of-design:

AIS Air Installation & Services, LLC. Corey Jackson, 979-877-8126 3647 Maeckel P.O. Box 87 Bleiblerville, TX 78931


Honeycutt Air Steve Honeycutt, 979-877-4320 715 Main St. Bellville, TX 77418

1.20 During meeting, Bellville ISD (“BISD”) representative informed group that the West End ES will not be conducting school during the summer. Therefore, the GC will be allowed to use their own padlocks to lock up the property gates as needed. Furthermore, Contractor is required to provide Rice and Gardner Consultants Inc. (“RCGI”) an extra keys or codes as needed for RGCI/BISD usage to gain access to property. Equipment security is the responsibility of the GC.

PART 2 - SPECIFICATIONS / APPROVED MANUFACTURES

2.1 DELETE Specification Section 00 01 02 and replace with new Section 00 01 02 Addendum 2 Project Information. The revised Project Construction Budget is $500,000.00.

2.2 DELETE Section 00 00 02 LIST OF DRAWINGS and replace with attached Section 00 00 02 Addendum 2 LIST OF DRAWINGS.

2.3 Under Specification Section 260500 ADDENDUM 2 COMMON WORK RESULTS FOR ELECTRICAL, modify the following:

A. Revise paragraph 2.1-E to read: MANUFACTURERS: All components of raceway systems must bear U. L. label.

PART 3 - DRAWINGS

3.1 DELETE Sheet A0-001 COVER SHEET and replace with attached A0-001 COVER SHEET to provide current Drawing Index.

3.2 DELETE Sheet A3-200 ROOF PLAN and replace with new Sheet A3-300 ROOF PLAN. Revised sheet identifies location and limits of metal soffit panels and requirement to provide commercial grade concrete splash blocks at all downspout locations.

3.3 ADD Sheet MEP3-100 ADDENDUM 2 MEPT COORDINATION ROOF PLAN. New full-size sheet added.

3.4 On Sheet A3-300, REVISED Detail 13 Skylight to provide information at interior and exterior side of skylight curb.

PART 4 - QUESTIONS / ANSWERS

4.1 First off, I received this ITB from a GC. Are we to send this bid directly to you/someone else or do I send my proposal to the GC?

Response: All subcontractors shall submit their bids directly to a General Contractor. Bellville ISD will only receive bids from General Contractors. List of General Contractors will be included in Addendum #2, Sign-In Sheet.

4.2 What is bid security of 5% mean? Please explain in more detail.

Response: A bid security is an amount of money that is calculated as a percentage of a bidder’s


bid price. In our project is 5% of the Contractor’s bid price. It is used by the client as protection against bidders withdrawing their bids prior to the end of their bid validity period, which takes place during bid negotiations, or for a Contractor refusing to sign the contract during this period.

4.3 Performance and payment bond. I believe that is through our insurance company, correct?

Response: A performance bond is issued to the District by awarded Contractor as a guarantee against the failure of the Contractor to meet obligations specified in the Contract, or to delivery on the level of performance specified in the Contract. A performance bond is usually provided by a bank or an insurance company to make sure a Contractor completes designated projects.

4.4 Will the roof slope be ¼” per foot or ½” per foot?

Response: New roof taper insulation will slope ¼” per foot. Cricket and saddle areas will slope ½” per foot minimum.

4.5 Will project require Liquidate Damages?

Yes, $1,000.00 per day beyond the agreed date the Contractor has agreed for Substantial Completion per Section 00 82 00 Supplemental Conditions, Paragraph 8.3.4.

4.6 Where are the metal soffit panels located?

Response: Refer to revised Sheet A3-200 to identify location and limits on roof overhang receiving metal soffit panels.

4.7 Please confirm if we are to use wood-built curbs or pre-manufactured curbs for the RTUs.

Response: The RTU curbs will remain. We are expecting the contractor to provide curb extensions, as noted on the drawing. The scheduled RTU's are the same dimension as existing, so no curb adapters should be required. Curb adapters would be by the Mech. Contractor if an alternate manufacturer is submitted and accepted.

4.8 We noticed that the existing conduit on the roof does not have weather sealed fittings and is Rigid conduit. Technically by code, if we were to revise the conduit in any way, we would need to re-run it with weather gasketed fittings at each new and existing joint. Will this be required?

Response: Where the conduit runs are modified the entire run will need to meet currently adopted code requirements including new weatherproof fittings as the currently installed ones are no longer listed as weatherproof.

4.9 The drawings have a 2x12 wooden curb detail that shows to be 10” tall for 10” or flashing height. The ISO board may be up to 14” think at the sky light, plus the 10” for the flashing would make the curb at the skylight 24” tall. We would like to recommend building this up, with framing, add plywood sheathing so that the exterior side can be finished properly on the Exterior side. On the interior side, below the skylight, you would have 24” visible curb that would be unfinished. Should we add Sheetrock above conditioned spaces and Hardie board in non-condition spaces?

Response: Provide exterior grade wood framing to build up the approximately 24-inch high curb. Provide HardiPlank on the interior side areas of the skylight opening and provide exterior grade plywood sheathing on roof side. Paint HardiePlank to match existing adjacent surfaces. Refer to revised Detail 13 Skylight on Sheet A3-300.

4.10 If the Kalwall skylight is 14 weeks out, will there be an alternate spec, or a temporary spec provided?


Response: No alternate spec will be issued. Logistics for long lead items will be discussed with awarded Contractor to help expedite the process and complete project within the allocated time. If product is not delivered on time, the Contractor will provide a durable temporary covering over the entire skylight opening until the system is delivered and installed. The temporary cover will protect interior from weather conditions in case the skylight system delivery lead time impacts roof schedule.

4.11 What wind speed warranty are you looking for? Specs show 150 mph design.

Response: 150 MPH

4.12 Specs call for TDI engineer to provide TDI required inspection and verification. Looking at the maps I do not believe this project is in TDI required wind zone. Which wind zone TDI spec are you looking to meet?

Response Project is outside of the TDI required wind zone. Therefore, no TDU inspection or verification is required.

4.13 Were pulls tests done and if so, what are the results.

Response: Pull tests were not completed.

4.14 On the wood deck section is the decking 1X, 2x, or plywood?

Response: It is not Plywood; after conversations with the District and by visual inspection it appears to be 2x6 plank.

4.15 Specs state ISO maximum 48”x48”. Will 48”x96” be allowed?

Response: All adhered ISO, cover board, etc., will remain at 48”x48”. However, mechanically fasten material can be 48”x96”.

4.16 99% of conduit on roof is EMT. The specs say to use rigid. During our meeting they expect us to reuse the conduit. This is a major difference in labor cost if the conduit has to be rigid.

Response: EMT with weatherproof compression fittings may be used.

4.17 No more than 4 current carrying conductors. Please confirm.

Response: No more than 4 current carrying conductors in a conduit except 10 #12 or 10 #10 shall be allowed as indicated in the specifications.

4.18 Will a Master Electrician be required on-site at all times?

Response: A licensed electrical contractor and its designated master electrician of record is responsible for supervision of all licensees performing work on behalf of the contractor to assure compliance with applicable statutes and rules and in particular, standards of conduct set out in the Texas state Electrician Administrative Rules.

4.19 Will three different infrared scans be required over a period of time and throughout the warranty year?

Response: One required at project completion. One required at the end of the warranty period. Only components/panels modified by this project need to be scanned.


4.20 Will insulation testing on all underground feeders be required?

Response: Only required on new feeders or ones modified as part of this project.

4.21 Will a ground test be required?

Response: Ground test required where connections are made to existing ground conductors as outlined in the specifications.

4.22 If there is an inconsistency between the specs and the drawings, which one prevails?

Response: The specifications will take precedence.

4.23 Will the skylight be replaced?

Response: Yes, as shown in Sheet A3-200 Roof Plan. A 16-feet section of removed skylight will be patched per Roof Plan.

4.24 Has addendum 1 been issued?

Response: Yes, it is posted on the BISD website. Addendum was posted on Friday, 5/22, at 4:00pm.

4.25 Will any new curb materials be prefab or built on site?

Response: Prefab for roof mounted equipment. Refer to plans for other roof conditions.

4.26 Is the skylight incapsulated and will an abatement contractor be required to remove the hot mastic?

Response: Yes, mastic will be removed, bagged, and disposed of per state regulations. Abatement work will be monitored by an abatement consultant hired by District.

4.27 Is the mastic removal something the roofers can do or is a specific consultant needed?

Response: The roofers will dispose of the mastic following state regulations to remove asbestos containing material. However, there will be an abatement consultant supervising hired by District.

4.28 Will there be monitoring by a third party for the mastic/asbestos?

Response: Yes, a third-party monitoring abatement consultant will be hired by District.

4.29 What if rafters are bad or damaged?

Response: Any uncovered rafters that are damaged will be repaired. Cost to repair rafters will be covered through the Owner Contingency Allowance.

4.30 Will GC’s be required to use certain dumpster companies, or can they use their own?

Response: Contractors can use a local dumpster company called Reliable Roll-Off Services. The contact person name is Jerry Haysli. He can be contacted at 979-251-2703.

4.31 Will the District be keeping the removed AC units?


Response: The Owner has the first salvage rights over existing RTU equipment and other components. If existing equipment is salvage, then Contractor will coordinate with Owner removal of equipment. Rice & Gardner (“RGCI”) will need to further clarify and confirm intent with Bellville ISD.

4.32 Will another site visit be allowed?

Yes. Contractors can coordinate with David Castaneda with RGCI future visits.

4.33 Will there be any work done to the building envelope?

Response: No

4.34 Will the roof curbs be rebuilt where the skylight is?

Response: Yes. A Kalwall system has been used as the basis of the design.

4.35 What condition is the PVC piping in?

Response: The majority of the piping on the roof is galvanized condensate or painted steel gas piping and is scheduled to be replaced. Refer to MEP plans for extent of work associated with piping installed on roof.

4.36 What if the GC thinks more galvanized piping needs to be replaced?

Response: Information is outlined in the drawings and specs. The piping is scheduled to be replaced. If there is piping in decent condition that the selected contractor proposes to remain that can be addressed post bid as a deductive change order.

4.37 Will there need to be badging? Will GC’s need to wear badges while working on the West End roof?

Response: Per Bellville ISD representative, no badging is required because there will not be students present in or around the facility. However, Contractor and their team require check-in, per usual protocol. Check-in will be required when arriving on the campus for the preconstruction meeting as well.

4.38 Will one GC be taking the entire project or is BISD expecting several different bids?

Response: General Contractors are to submit one (1) bid for the entire job.

4.39 The skylight runs to the conditioned and non-conditioned areas; will the curbs be the same length?

Response: Yes, there will be new curbs running along the perimeter of the new skylight. Field verification of roof opening will be required during shop drawing phase.

4.40 Tapered ISO board be used?

Response: Yes, with a minimum thickness of 3” at roof edge.

4.41 Where are downspouts?

Response: Refer to Roof Plan and Exterior Elevations ON Sheet A3-200 to located downspouts.


4.42 Will temporary fencing be needed during the roof/RTU replacement work?

Response: No. The property is closed in already and there is a gate that can be kept closed if needed; students will not be at or in the facility during this time

4.43 Will there be storage spaces provided? Will there be storage spaces provided with insultation?

Response: No, materials to be stored on the ground. No point loading is allowed on the roof. Refer to specs for maximum load allowed on roof.

4.44 What is the lead time for the skylight system? What system will be used?

Response: Kalwall translucent panel system was used as the basis of the design. During Pre-Bid Conference, Kalwall’s representative stated the lead time is 10+ weeks and installation would take about 10 days. Actual delivery time and ways to reduce the lead time will be discussed with awarded Contractor during the Pre-Construction Meeting.

4.45 Does the existing building have a HVAC controls system?

Response: The building is currently controlled by Johnson Controls. Please reference the controls system note on the Mechanical Schedules & Details sheet for the scope of work. There is no specification section for the controls work.

END OF ADDENDUM #2 DESCRIPTION

West End Elementary Roof and RTU Replacement

Bellville Independent School District

PRE-BID CONFERENCE AGENDA May 26, 2020

I. Introduction of Parties A. Owner representatives B. Program Manager representatives from R&G B. Consultants – MWA, Stanton Engineering Group, Arrow Consulting C. Request all to sign in to Sign in Sheet – make sure everyone signs sign in sheet. D. Pre-Bid Conference is mandatory. II. Basic Description of Project

A. West End Elementary School is located at 7453 Ernst Pkwy, Industry, TX 78944. The roof work includes removing approximately 19,000 SF of existing roof and replace it with a fully adhered TPO roof system. Work will include removing existing membrane and insulation down to the wood or metal roof decking and installing a new roof assembly with new R25 insulation installed above the roof deck to accommodate the energy code. Work incudes replacing nine roof top units and minor abatement work.

B. The scope will be explained in more detail by consultants.

III. Bids

A. Bid Documents are available from the Bellville ISD link: http://www.bellvilleisd.org/departments/business_department/purchasing/bid__proposal.

B. Proposals will be received until 12:00 pm on FRIDAY, JUNE 5, 2020 at the Board Room of

the Bellville Independent School District, 518 S. Mathews Street, Bellville, TX 77418. At 3:00pm, the proposals will be opened, and the amounts read aloud. Bidders are not required to attend opening.

C. Section 00100 of the Specifications is the Instructions for Bidding. This section includes detailed

bidding instructions. Per Addendum #1 Qualification Statement (AIA Document A305) will be submitted along with your proposals on bid due date.

D. Each bid must be accompanied by bid security in the amount of 5% of the total bid. This is to

be in a standard size envelope affixed to the outside of the Proposal envelope. Performance and Payment Bond in an amount of 100% of the total contract price is required.

E. Base Price is to include one allowance. This is shown on the Base Bid Form on page 2 of the

Instructions to Bidders, and more detailed description is found in Section 01 21 00 Addendum 1 ALLOWANCES. The Allowance is for $40,000 Owner Contingency.

F. Alternates: Project will have no alternates.

G. Unit Prices Schedule is included in Page 2 of Proposal Form. Unit prices schedule must be

completed and submitted with bids. These are included in case the roof deck is found to be damaged once existing roof is removed. Refer to section 01 22 00 Addendum 1 Unit Prices specs for additional information.

H. Substantial Completion date is August 2, 2020.

I. The estimated construction cost is $500,000.00, including Allowance #1.

IV. Miscellaneous Requirements/Information

A. Bid Selection Criteria and Weighting is included in Page 9 of the Section 00 01 02 Project Information.

B. A list of standard AIA standard forms is listed in Section 00 81 00 Special Conditions, Page 4, which are part of the Contract Documents.

C. Per Section 00 81 00 Special Conditions, Page 6, when the contractor experiences delay during

the construction period for which he is entitled to an extension of time, he shall submit a written request to the Owner for such extension. However, extra compensation will not be allowed due to adverse weather conditions.

D. Any substitution request or pre-bid questions shall be submitted as soon as possible.

Substitution request and questions deadline is Thursday, May 28 at 12:00 pm. If a substitution request is accepted, then will be listed in Addendum #2.

E. Refer to of Section 00 81 00 Special Conditions for prevailing Wage Rates.

F. Project permit is in progress.

G. Reminder that if there is a conflict in the documents, then contractor is to bid the more

expensive item.

V. Addendum A Today’s Sign in Sheet will be included in next addendum. B The intent is to issue Addendum #2 on Tuesday, June 2, 2020.

VI. Summary of Work:

A. Architectural/Roof B. MEP VII. Site Visit IX. Questions

A In general, please email questions to our office, will include in addendum. B Will try to answer questions at this time.

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ABATEMENT CONTRACTORS INFORMATION

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Oscar Carrasco [email protected]

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A&M Environmental

Kevin Delahunty [email protected]

832-823-1997

Sitek

Jerry Fields [email protected]

713-907-7297

Prism Response

Karl Gray 281-770-8906

AMX Environmental [email protected]

Services

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00 00 02 ADDENDUM 2 LIST OF DRAWINGS JOB NO. RGCI 20.007 (MWA NO. 20-14) WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

ARCHITECTURAL

A0-001 COVER SHEET A3-100 ROOF DEMOLITION PLAN A3-200 ROOF PLAN A3-300 ROOF DETAILS

MEP MEP3-100 ADEDNDUM 2 MEPT COORDINATION ROOF PLAN M3-100 ADDENDUM 1 MECHANICAL DEMO ROOF PLAN M3-200 ADDENDUM 1 MECHANICAL ROOF PLAN M3-300 ADDENDUM 1 MECHANICAL DETAILS & SCHEDULES

E3-200 ADDENDUM 1 ELECTRICAL ROOF PLAN E3-300 ADDENDUM 1 ELECTRICAL ONE-LINE & PANEL SCHEDULES E3-301 ADDENDUM 1 ELECTRICAL NOTES & DETAILS

P3-200 ADDENDUM 1 PLUMBING ROOF PLAN AND DETAILS

END OF SECTION

00 01 02 ADDENDUM 2 PROJECT INFORMATION JOB NO. RGCI 20.007 (MWA NO. 20-14) BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1 ______________________________________________________________________________________________

00 01 02-1

PROJECT INFORMATION

1.0 PROJECT NAME/ADDRESS

West End Elementary Roof and RTU Replacement 7453 Ernst Pkwy Industry, TX 78944 RGCI 20.007

2.0 OWNER Bellville Independent School District 518 S. Mathews Street Bellville, Texas 77418 3.0 PROGRAM MANAGER (PM) – Project # 20.007

Rice & Gardner Consultants, Inc. (RGCI), RGCI has been retained as BISD’s representative for the management of planning, design, procurement process and construction. All correspondence and communication involving plans, specifications, addenda, and selection process during the proposal phase shall be directed to both RGCI’s Project Managers. During construction, both RGCI’s PM’s will have authority to act on behalf of BISD for owner related direction.

RGCI Project Manager & Program Director Jorge Huerta Director of Program Management Rice & Gardner Consultants, Inc. 6161 Savoy, Suite 1212 Houston, Texas 77036 Phone: (713) 470-8474 E-mail: [email protected]

RGCI Project Manager David Castaneda Sr. Project Manager Rice & Gardner Consultants, Inc. 6161 Savoy, Suite 1212 Houston, Texas 77036 Phone: (832) 228-4748 E-mail: [email protected]

4.0 ARCHITECTS – Project # 20-14

Noe Almaguer Molina, Walker, Almaguer Architects, Inc. 11767 Katy Freeway, Suite #430 Houston Texas 77079 Phone: 713-482-2338 E-mail: [email protected] John Tohill Molina, Walker, Almaguer Architects, Inc. 11767 Katy Freeway, Suite #430 Houston Texas 77079 Phone: 713-482-2339 E-mail: [email protected]

mailto:[email protected]





00 01 02-2

5.0 PROJECT CONSTRUCTION BUDGET and ESTIMATED DURATION

Estimated Construction Cost $500,000.00

NTP Start Date (See 8.0 below) June 11, 2020

Substantial Completion Date August 2, 2020

6.0 PRE-PROPOSAL MEETING:

A MANDATORY ON-SITE PRE-PROPOSAL CONFERENCE WILL HELD AT West End Elementary School 7453 Ernst Pkwy Industry, TX 78944

AT 3:00 PM, TUESDAY, MAY 26, 2020. POTENTIAL BIDDERS WILL BE ASSEMBLING FRONT OF SCHOOL PARKING LOT. SIGN-IN SHEET WILL BE PROVIDED. GROUP WILL MAKE THEIR WAY TO THE TOP OF ROOF TO REVIEW PROJECT. IMPORTANT NOTE: AS RESULT OF THE COVID-19, ALL ATTENDEES ARE REQUIRED TO BRING THEIR OWN PPE ALONG WITH PROTECTIVE FACE MASKS TO WEAR DURING THE ENTIRE ON-SITE VISIT. BISD OR RGCI WILL NOT BE PROVIDING ANY PPE.

7.0 PROPOSAL OPENING: HARDOPY SEALED ENVELOPE PROPOSAL DOCUMENTS ARE TO BE DELIVERED TO BISD ADMINISTRATION BUILDING ATTN: MR. DENNIS JUREK 518 S. MATHEWS STREET BELLVILLE, TX 77418 DOCUMENTS DUE NO LATER THAN 12:00 PM, FRIDAY, JUNE 5, 2020. PROPOSAL DOCUMENTS CAN BE MAILED OR HAND-DELIVERED TO THIS ADDRESS. AT 3PM, THE PROPOSALS WILL BE OPENDED AND THE AMOUNTS READ ALOUD. BIDDERS ARE NOT REQUIRED TO ATTEND OPENING. IF ATTENDING, PLEASE READ NOTE BELOW. IMPORTANT NOTE: AS RESULT OF THE COVID-19, ALL ATTENDEES ARE REQUIRED TO BRING THEIR OWN PPE ALONG WITH PROTECTIVE FACE MASKS TO WEAR DURING THE ENTIRE OPENING VISIT. BISD OR RGCI WILL NOT BE PROVIDING ANY PPE.


00 01 02-3

8.0 NTP ANNOUNCEMENT & PRE-CONSTRUCTION MEETING: RGCI WILL BE ISSUING NTP TO WINNER BIIDER BY 9:00 AM JUNE 11, 2020. WINNING BIDDER MUST BE READY FOR A PRE-CONSTRUCTION MEETING ON JUNE 15, 2020 WHICH RGCI WILL BE LEADING.

TIME AND MEETING LOCATION WILL BE DETERMINED WHEN NTP IS ANNOUCED TO WINNING BIDDER AND TEAM.

9.0 BISD SELECTION CRITERIA AND WEIGHTING

Competitive Sealed Proposals

Criteria Proposed

QUANTITATIVE CRITERIA

Contract Amount (Turn Key Price) 40%

Proposed Duration (Construction time period) 10%

QUALITATIVE CRITERIA

A. Proposed materials/warranty/maintenance equipment/safety 15%

B. Qualifications (Successful delivery, on time and within budget, communications, responsiveness, record of claims and reference responses)

10%

C. Relevant Experience (Experience with projects of similar scope, scale, complexity and type

10%

D. Experience of similar type projects, scope, scale and complexity while staying within budget and schedule

10%

E. Proposed Personnel (Qualification and relevant experience of proposed personnel for the project and level of commitment)

5%

Total 100.00%

Bellville ISD encourages and welcomes the participation of small, minority and women owned firms in this solicitation.

26 05 00 ADDENDUM 2 COMMON WORK RESULTS ELECTRICAL JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 05 00-1

SECTION 26 05 00 COMMON WORK RESULTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. The General Provisions of the Contract, including General, Supplementary and Special Conditions, apply to the work specified in this Section.

B. The General Electrical Requirements as specified in Sections 26, apply to the work specified in this Section.

C. Equipment shall meet or follow applicable requirements in other sections of the specifications and on the drawings.

D. Equipment shall meet applicable requirements include in the NEC, UL, NEMA and ANSI Standards and be so labeled.

E. Provide Shop Drawings per Section 26 00 00.

1.2 GENERAL INSTALLATION REQUIREMENTS

A. All electrical work dealing with electrical circuits or power requirements of 110 volts or higher shall be performed by a licensed journeyman electrician supervised by an on-site master electrician.

B. All cables not installed in conduit shall be plenum rated.

C. All conductors and cable shall be properly labeled at both ends and at any intermediate splice.

D. All low voltage cables shall be installed in continuous length without splice.

E. All miscellaneous plenum rated cables shall be supported from and near structure with nylon straps or D-rings. Refer to individual specification sections for additional requirements. Do not weave through joists for support. All exposed cabling, and cabling above inaccessible ceilings shall be installed in raceway.

F. Install conduit sleeves with protective grommets for all wall penetrations for plenum rated cables.

G. Seal all sleeve and conduit penetrations of walls with grout or hardening caulk, suitable for wall material, to mechanically attach sleeves to the wall. Provide fire rated sealant at fire rated walls.

H. In areas of remodeling, remove all conduit and wire that is not to be reused. Resupport existing conduit and wire to remain.

I. Provide grounding bushings for all connections at concentric and eccentric knockouts, and where reducing washers are used.

J. All junction boxes and other devices above ceiling that may require maintenance shall be located within 18” of the ceiling.

K. Where light fixture switches are shown together, they shall be installed in a common junction box and faceplate.

L. Where receptacles and/or data outlets are shown grouped, install close together. Provide Caddy TSGB16, RBS16 or equal mounting bar for sheetrock walls to accomplish this.

06/02/2020


Section 26 05 00-2

M. All exterior junction boxes in the ground shall be concrete type with traffic rated tops.

N. All junction and pull boxes shall be marked noting electrical circuits and relay circuits of wiring within the box. Circuit labels shall be written on the cover in black permanent marker and shall be readable from the floor level without removing the cover. Additionally, junction box housings shall be color coded as follows.

01 J-boxes and covers in finished spaces shall be painted to match. Write circuit number on inside of j-box cover.

02 J-boxes and covers in unfinished spaces accessible to the public such as welding shops, HVAC labs, automotive shops, etc. shall be painted to match.

a. Write circuit number on outside of j-box cover.

b. Write circuit number on inside of j-box cover where paint color is too dark to maintain readability of marker labeling.

03 Normal Power 120V/208V/240V: Blue

04 Do not paint the covers except in finished spaces.

O. Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall utilize ground penetrating radar and electrical circuit tracing equipment in the area to be excavated to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.

PART 2 - MATERIALS AND METHODS

2.1 RACEWAY SYSTEMS

A. REQUIRED: Complete raceway systems for all wiring. This includes, but is not limited to feeders, branch circuit wiring, low voltage lighting controls, temperature controls wiring, data cabling, video cabling, sound systems wiring, security systems wiring and fire alarm system wiring. Generally auxiliary system and controls wiring is plenum rated so conduit system would consist of junction boxes and conduit in walls, above inaccessible ceilings and sleeves through walls. Control and interlock wiring shall be provided under the Mechanical Section. Refer to technology drawings for conduit sizes and locations for technology and security systems.

B. SLEEVES

01 Provide sleeves for all wiring passing through walls, floors not on grade and roof slabs.

02 Sleeves shall be sized with maximum 40% conduit fill.

03 Sleeves through floors shall be increased one trade size with a minimum size of 2” to provide spare capacity for the future.

04 Floor slab sleeves shall extend minimum 3" above floor level. Fully grout and seal the penetration around the sleeve to prevent water from entering the space below. Grouting shall form a 1” curb above floor level around the sleeve.

05 Sleeve interiors through floors and through fire walls shall be fire caulked or otherwise protected to maintain the fire rating of the wall.

B. LOW VOLTAGE CONDUIT:


Section 26 05 00-3

01 Conduit, j-boxes, and pull boxes shall be provided by the Division 26 contractor for installation of low voltage devices and cabling. Refer to other sections and the drawings for specialty box requirements.

02 Where conduits for low voltage cabling are installed above grade they shall utilize standard radius bends and 90 degree factory elbow to exit the wall.

a. Minimum bend radius shall match a standard radius factory elbow:

Above Grade Low Voltage Conduit Minimum Bend Radius

Conduit Size Bend Radius Conduit Size Bend Radius

3/4" 4.5” 2” 9.5”

1” 5.75” 2.5” 10.5”

1.25” 7.25” 3” 13”

1.5” 8.25” 4” 16”

b. Final section of the elbow shall be no higher than 18” above the ceiling and be flat/horizontal.

c. Provide a single piece, protective, nylon bushing on the end of all low voltage conduits. Split bushings shall only be acceptable where there are existing cables to be protected or with prior written approval.

03 Where conduits for low voltage cabling are installed below grade they shall utilize a large radius sweep.

a. Minimum bend radius shall be 24”.

C. RACEWAY CAPACITY: It shall be the Contractor's responsibility to determine the correct sizes of all types of raceway, to be installed, as instructed in the NEC and all applicable Codes. Runs of underground conduit longer than 80 feet shall be one size larger than NEC requirement, 4" maximum.

D. INSTALLATION:

01 LOCATION: Conceal all raceway systems in ceilings, walls and floors, except feeders serving equipment in mechanical and electrical equipment rooms, and in such other areas as indicated where conduit may be exposed. Keep conduits at least 8" away from any heat producing items.

a. Do not install conduit below grade or in floor slabs unless there is no other way to conceal conduit.

b. Equipment feeders in mechanical rooms or mechanical yards shall be run above grade.

c. Conduits in mechanical yards shall be routed overhead to the equipment being served in a manner that maintains access and does not interfere with equipment, piping, devices, etc. Conduits may be mounted on the underside of piping supports provided by the mechanical contractor.

d. Major feeders from switchboard to distribution panels or electrical panels may be run underground where they consist of either:

1) Single runs containing 4/0 or larger wire

2) Parallel runs of 3/0 or larger.

e. Do not install conduit on roof unless specifically shown to be on the roof or authorized in writing by the Engineer.


Section 26 05 00-4

f. All junction and pull boxes above accessible ceilings shall be mounted so that the access panel is no higher than 18” above the ceiling.

02 ROUTING: Conduit shall be installed parallel to building coordinates, except for underground feeders from panel to panel may be installed in the most direct manner except where indicated on the drawings. Install all horizontal conduit at structure unless mounted to a wall.

03 EXPOSED RACEWAY: Run parallel to walls, ceiling or structural members, in a manner to present a neat appearance. Before installation, explain to the Inspector the proposed method of routing and obtain his approval. Hold all horizontal conduit at ceiling or structure, unless mounted on wall. Exposed conduit visible in public and finished spaces shall be painted to match.

04 SUPPORT: Provide adequate and sturdy support for all parts of raceway system.

a. Conduit concealed in walls or slabs may be supported with wire hangers, provided they are of heavy gage and spaced to give adequate strength.

b. Exposed conduit must be supported with materials specifically made for this purpose; do not use wire hangers.

c. Do not attach any parts of raceway system to air conditioning ducts or ceiling systems.

d. Wiring above ceiling without conduit shall be supported from structure or wall with J hooks, cable rings, or other manufactured devices designed for this service.

e. Unless described by detail on the drawings, provide Tolco Pipe Pier, Caddy Pyramid, Eaton Dura-Blok or similar strut based supports four feet on center to support conduit on the roof. Select for proper weight loading. Confirm with other trades that conduit supports are compatible with the roofing system prior to installation.

f. Provide Eaton Dura-Block strut based supports four feet on center to support conduit on or above Avadek or similar fluted canopies. Align support with and place in the bottom flute. Select for proper weight loading. Equal strut based supports with integral drainage channel shall also be acceptable.

05 CONTINUITY: Make all joints and connections in a manner which will ensure mechanical strength and electrical continuity. Use double locknuts and insulated bushings for rigid conduit, and insulated type connectors for EMT conduit 1” and larger for connections to boxes. Use insulated grounding bushings wherever connection is subject to vibration or moisture, such as near mechanical equipment, when internal ground wire is installed, and when concentric or eccentric knockouts are encountered, as well as where reducing washers are used.

06 PULL BOX LOCATIONS: As required by the National Electrical Code and utility provider requirements.

07 EXPANSION FITTINGS: Install O. Z. or equal expansion fitting in each run of conduit which crosses a building expansion joint, and in all runs longer than 200 feet.

08 CORROSION PROTECTION: For all non-coated metal raceway in contact with concrete or mortar, tape with 3M corrosion protective tape, or equal. Tape shall extend for approximately 6" before entering and after exiting concrete. Conduit


Section 26 05 00-5

through slabs at grade shall be PVC coated rigid galvanized steel.

09 PULL WIRE: Install nylon pull cord in all low voltage raceway systems and empty electrical power raceway systems.

10 OPENINGS: Keep all raceway openings closed in a manner to prevent entry of moisture and foreign materials until conductors are installed.

11 FIRE PROOFING: All power and low voltage raceway components passing through or installed within U. L. fire rated walls, ceiling or floor structures shall be fireproofed in the manner prescribed by the U. L. Fire Resistive Index and local building codes. All penetrations shall be fireproofed with 3M Fire Barrier CP25WB caulk, moldable putty or FS-195 wrap/strip installed per the manufacturer's recommendations.

12 SEALING: All conduit, junction box, outlet box and other penetrations of the building envelop shall be sealed with non-hardening caulking or other non-hardening material as required by the International Energy Conservation Code.

E. MANUFACTURERS: All components of raceway systems must be made in U.S.A. and (Cy-Fair ISD) bear U. L. label.

2.2 CONDUIT

A. CONDUIT TYPES

01 RIGID GALVANIZED STEEL – Threaded fittings

02 PVC COATED RIGID GALVANIZED STEEL - All PVC coated rigid galvanized steel conduit shall comply with UL 6 and NEMA No. RN-1 standards and meet ASTM D870 and ASTM D2247 testing requirements. Provide PVC coated couplings, fittings and pulling elbows matching the installed conduit.

a. Plasti-Bond REDH2OT with ETL Verified PVC-001 label

b. Perma-Cote with ETL Verified PVC-001 label

c. KorKap with ETL Verified PVC-001 label

d. Or approved equal with ETL Verified PVC-001 label.

03 PVC CONDUIT – Schedule 80

04 EMT – Steel conduit

a. Provide die cast set screw fittings.

b. Provide insulated throat watertight fittings where conduit is exposed to dampness inside building.

05 FLEXIBLE METAL CONDUIT – Greenfield, galvanized steel conduit for field installation of conductors (maximum 24”)

06 LIQUID TIGHT FLEXIBLE METAL CONDUIT – SealTite Type UA galvanized steel conduit with PVC waterproof coating for field installation of conductors (maximum 24” long except light fixtures up to 72”)

a. Liquid-Tuff by Kaf-Tech or AFC shall also be acceptable.

07 MC CABLE

a. Flexible steel conduit with factory installed, stranded, color coded copper conductors, green insulated ground wire and polypropylene sheath/tape. Armor exterior shall be color coded for contained conductors/voltage


Section 26 05 00-6

identification. Conductor insulation shall be 600V, 90C rated and color coded to match the building standard color coding.

1) AFC MC Tuff.

2) Equal by Kaf-Tech shall also be acceptable.

B. TYPE OF CONDUIT FOR VARIOUS LOCATIONS:

01 EXPOSED OUTSIDE OF BUILDING: Rigid galvanized steel. Do not use EMT, IMC or PVC conduit.

a. Conduit under overhangs, canopies, open air structures, and similar spaces shall be considered exposed outside of the building.

02 INSIDE OF BUILDING: IN CEILING CAVITIES, IN EXPOSED FLOOR OR ROOF STRUCTURE AREAS, OR IN DRY WALL TYPE CONSTRUCTION: Galvanized steel EMT or rigid galvanized steel.

03 IN CONCRETE SLABS: Do not install conduit in concrete slabs.

04 FLEXIBLE METAL CONDUIT CONNECTIONS: Use only for connection to lights, motors and transformers from rigid conduit system. Do not loop flexible conduit between light fixtures or receptacles. Provide liquid tight construction and fittings in wet, damp or outside areas. Connections to mechanical equipment in wet locations shall be in liquid tight. Minimum length shall be 18”. Maximum length shall be two feet except light fixture whips may be up to six feet.

05 CONDUIT SLEEVES THROUGH WALLS AND FIREWALLS: EMT extending a minimum of 3” beyond wall with protective bushing at each end. Size to handle cabling with a maximum of 40% fill.

C. MINIMUM CONDUIT SIZE: 3/4"

D. FITTINGS:

01 RIGID CONDUIT: All rigid galvanized steel conduit shall have threaded fittings with insulated bushings.

02 EMT CONDUIT: Provide insulated bushings for all EMT conduit 1" or larger or housing #6 or larger wires.

03 GROUNDING: Provide fitting with grounding lug where conduit attaches to a painted box (disconnect switch, starter, transformer case, etc.), conduit attaches to a box through a knockout which has an associated larger knockout or a reducing washer is used, or conduit contains a feeder from switchgear to switchgear or between switchgear and transformer.

04 TELEPHONE, DATA AND LOW VOLTAGE CONDUIT: Provide protective bushing on the end of telephone, data, sound system or other low voltage conduit stubbed into the ceiling cavity.

a. Bridgeport 90 Insulated Bushings

b. Bridgeport Mighty-Rite Split Bushings

c. Raco Specification Grade Insulated Bushings

d. Raco Universal Split Insulating Bushings

e. Or approved equal.

E. LOW VOLTAGE CONDUCTORS: Low voltage conductors may be run in accessible ceilings without conduit. Provide conduit sleeve with protective end fittings through all walls and floors where raceway system is not installed. All exposed conductors shall be


Section 26 05 00-7

in conduit. All splices shall be in supported junction boxes. Low voltage conductors installed without conduit shall be independently supported on ring hangers, and plenum rated. Low voltage conductors for audio and data wiring shall be stranded unless otherwise recommended by the manufacturer.

01 All conduit bends and 90’s for technology conduits shall be long radius sweeps.

02 Provide protective end fittings on all low voltage conduits.

2.3 PULL BOXES

A. REQUIRED: Pull boxes, junction boxes, wiring troughs and cabinets wherever required for proper installation of various electrical systems.

B. ABOVE GRADE CONSTRUCTION: Made of code gage steel with sides formed and welded, screw covers unless shown to have hinged doors. Hinged doors to be same as furnished on panel boards, with same locking device. Knockouts shall be factory made or formed in field with a cutting tool which will provide a clean, symmetrically cut hole. Do not gang boxes or use extension rings to increase capacity. Boxes outside shall be steel NEMA 3 Type. Pull boxes near cooling towers shall be PVC coated aluminum or stainless steel.

2.4 OUTLET BOXES

A. REQUIRED: For all switches, light fixtures, receptacles and the various other outlets shown.

B. CONSTRUCTION: Galvanized steel, one-piece construction, in all cases suitable for intended use. Provide "gang" boxes where devices are shown grouped. Use hot dipped galvanized cast iron for floors or exterior locations. Boxes outside shall be steel NEMA 3 Type.

C. TYPES FOR VARIOUS LOCATION:

01 CEILINGS: 4" square, 2-1/8" deep.

a. All devices installed in lay-in ceilings shall have bracket to support device from ceiling tees.

b. Caddy Heavy Duty T-Grid Box Hanger or equal.

02 DRY WALLS: Standard galvanized switchbox, gangable for multiple switches or receptacles. Provide 4" square, 2-1/8" deep galvanized switch box (1900) where additional volume is required for wiring. Provide shallow boxes where necessary. Provide Caddy TSGB16, RBS16 or equal mounting bar to fully support and align box with studs.

03 MASONRY WALLS: Galvanized switch boxes designed especially for masonry installations. Depths of boxes must be properly coordinated for each specific installation. Box shall be installed within 1/8” of surface of block.

a. Raco Block-Loc

b. Or approved equal.

04 SURFACE MOUNTED: Boxes surface mounted on walls or floor shall be Bell, cast aluminum box with appropriate plate and threaded hubs.

2.5 CONDUCTORS


Section 26 05 00-8

A. REQUIRED: A complete system of conductors in all raceway systems except where shown otherwise. No conductors are to be installed in telephone conduit. Emergency or exit circuitry shall be installed in a separate raceway system.

B. BUILDING WIRE: 600 Volt, stranded, soft drawn annealed copper, 98% conductivity, continuous from outlet to outlet. Minimum wire size #12 except remote control wire may be #14. All wires shall be color coded with same color connected to same ungrounded phase throughout the installation.

01 All wire shall be type THHN, THW-2 or THWN-2 (wet rated for 90 C)

a. Exceptions:

1) Where raceways or cables are exposed to direct sunlight on or above roofs wiring shall be type XHHW-2 insulated conductors.

2) Where providing connection for circuits containing variable frequency drives (VFDs) wiring shall be type XHHW-2 insulated conductors.

C. MANUFACTURERS: Collier, General Cable, General Electric, Simplex, Triangle and Southwire Co.

D. CONNECTORS: Make all connections on #10 and smaller wire with Code approved solderless pressure type insulated connectors; Ideal Wingnut, 3M Spring Connectors, or equal. Solderless lugs must be used for all terminations.

E. TEST: After installation of all conductors, and before final acceptance, make such tests as are required to determine proper functioning of all circuits. Furnish all necessary instruments required to make such tests and correct any deficiencies found.

2.6 CONNECTIONS TO MOTORS, EQUIPMENT AND DEVICES

A. POWER WIRING: Make wiring connections to all mechanical, plumbing and other equipment being installed as a part of this Contract. In addition, make final connections to and provide matching cords/plugs for Owner furnished equipment. In particular provide and install all cords, plugs, hardwiring, etc. for Owner provided shop equipment, copy machines, and similar equipment. Confirm connections and equipment requirements prior to rough-in.

B. CONTROL WIRING: Control and interlock wiring for HVAC Systems will be provided by the Mechanical Contractor. Motorized dampers of the same voltage as the associated fan shall be wired by the electrical contractor when the damper is in close proximity to the fan.

C. CONNECTIONS TO EQUIPMENT: Make connection to each motor and other equipment subject to vibration with not less than 18" or more than 24” of flexible conduit. All horizontal runs of conduit (not strapped to walls) must be kept above 7 feet high, with a vertical drop to equipment. Conduit blocking walk and service space is not acceptable and will require relocation. Conduit on and adjacent to equipment must be located to allow free access to all removable panels for equipment service. Wire adjacent to heat producing equipment, such as boilers and electric heaters, must be of a type approved for this use.

D. CONNECTIONS TO RECEPTACLES: Multiple devices on a circuit such as receptacles shall be back wired with pigtail so device does not provide continuity path.

01 Feed through connections for GFCI receptacles to provide protection for downstream receptacles is not allowed.


Section 26 05 00-9

2.7 CIRCUITRY

A. The intent of the drawings is to indicate schematically the circuitry required.

B. 20 amp, single phase branch circuits serving lighting may be grouped in a single raceway provided a neutral conductor is installed for each circuit requiring a neutral.

C. 20 amp, single phase branch circuits serving receptacles may be grouped in a single raceway provided a neutral conductor is installed for each circuit requiring a neutral.

D. Do not install more than four current carrying conductors in a conduit, except a total of ten #12 or #10 conductors, including grounding conductors, may be installed in 3/4" or larger conduit.

E. NEMA power outlet circuits shall have dedicated raceways.

F. The work performed in grouping conductors in a single raceway shall comply with all applicable articles in the latest edition of the NEC and Local Codes which shall include, but shall not be limited to, ampacity de-rating of conductors and maximum capacities of raceways.

2.8 POWER CONDUCTOR COLOR CODING

A. 240/120 VOLT DELTA SYSTEMS

Phase A - Black

Phase B - Orange (high leg of delta)

Phase C - Blue

Neutral - White w/ colored stripe

Ground - Green

Isolated Ground - Green w/ yellow stripe

B. If the existing facility has a consistent but different color coding, match existing.

C. Contractor may use colored tape marking for size 8 and larger phase and neutral conductors, and size 4 and larger ground conductors.

D. Switch legs are to be color coded the same as the un-switched phase, i.e., all wiring from lighting control panels and contactors shall retain the phase color.

2.9 GROUNDING

A. GENERAL: Permanently and securely ground the mechanical and plumbing equipment and piping systems, conduit system, panel boards and all other components of the electrical system installed or connected by the Sub-contractor. Follow NEC and building code requirements.

B. CIRCUIT GROUNDS:

01 Provide a green ground wire sized per the NEC for every circuit.

C. EQUIPMENT ENCLOSURES: Make firm ground to raceway system. For equipment connected with flexible conduit or SealTite shall have the specified ground wire installed inside conduit. Do not install on the outside of the conduit. Where enclosure is painted, remove paint where ground lugs are installed.


Section 26 05 00-10

2.10 SIGNS AND NAMEPLATES

A. Provide all signs/labels as required by local codes and authority having jurisdiction.

B. Provide an engraved nameplate for each panel, switchboard, transformer, disconnect switch, fused switch, and starter stating the name as listed on the drawings (or load serviced), equipment voltage and where its power is derived. Provide short circuit label on all new switchboards and panelboards.

C. Refer to individual equipment specifications for additional labels required.

END OF SECTION

BELLVILLE ISD WEST END ES ROOF & RTU REPLACEMENT

BELLVILLE ISD BOARD OF DIRECTORS:

GRANT LISCHKA, PRESIDENT

DUSTY YANTIS, VICE-PRESIDENT

KENNETH STEIN, SECRETARY

KAREN WINN, MEMBER

JIM BATSON, MEMBER

VINCE RUFFINO, MEMBER

ANDY MURRELL, MEMBER

BELLVILLE ISD SUPERINTENDENT:

NICOLE POENITZSCH

11767 KATY FREEWAY SUITE 430

HOUSTON TX, 77036

PH. 713.482.2338 FAX 713.482.2314

ARCHITECTS

ADDENDUM #2 06/02/2020

06/02/2020

MWA PROJECT NUMBER: 20-14

(RICE & GARDNER JOB. NO. 20.007)

6161 Savoy Drive, Suite 1212

Houston TX, 77036

PH. 713.482.2300 Fax 713.482.2314

TX PE Firm #F-9057

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. THE REQUIREMENTS OF THE GENERAL CONDITIONS, SPECIAL CONDITIONS, SPECIFICATIONS, AND

DRAWINGS APPLY TO ALL WORK HEREIN.

1.2 COMPLETE PERFORMANCE

A. THE CONTRACTOR SHALL PROPERLY DEMOLISH AND REMOVE EXISTING BUILDING ROOF

COMPONENTS AS INDICATED ON THE DRAWINGS.

1.3 PROJECT FAMILIARIZATION

A. GENERAL: BECOME FAMILIAR WITH THE DRAWINGS AND SPECIFICATIONS, EXAMINE THE PREMISES,

AND UNDERSTAND THE CONDITIONS UNDER WHICH THE CONTRACT SHALL BE PERFORMED, PRIOR

TO SUBMITTING A BID.

B. ROOF: BE INFORMED OF THE ROOF CONDITIONS, VERIFY LOCATIONS OF NEW AND EXISTING ROOF

MOUNTED EQUIPMENT, AND DETERMINE EXACT REQUIREMENTS FOR TERMINATING CONNECTIONS.

C. COORDINATION: TENDER OF A PROPOSAL FOR THIS PROJECT INFERS THAT THE CONTRACTOR HAS

VISITED THE SITE AND HAS BECOME FAMILIAR WITH THE DRAWINGS, SPECIFICATIONS, AND SITE

CONDITIONS AND HAS INCLUDED IN HIS PROPOSAL, ALL WORK NECESSARY TO PROPERLY

DEMOLISH AND REMOVE BUILDING COMPONENTS AND RESTORE SITE TO NATURAL GRADE ON THE

PROJECT. FAILURE TO COMPLY WITH THIS REQUIREMENT SHALL NOT BE CONSIDERED

JUSTIFICATION FOR THE OMISSION OR FAULTY INSTALLATION OF ANY WORK COVERED BY THE

CONTRACT DOCUMENTS.

1.4 CODES AND STANDARDS

THE FOLLOWING ARE THE CURRENT CONSTRUCTION CODES ENFORCED BY THE CITY OF BELLVILLE TEXAS

CODE PUBLISHER EFFECTIVE DATE

A. 2018 INTERNATIONAL BUILDING CODE .

B. 2018 INTERNATIONAL PLUMBING CODE .

C. 2018 INTERNATIONAL MECHANICAL CODE .

D. 2015 INTERNATIONAL FIRE CODE .

E. 2017 NATIONAL ELECTRICAL CODE (STATE MANDATED) NFPA 70,

F. 2018 INTERNATIONAL ENERGY CONSERVATION CODE

1.5 DRAWINGS AND SPECIFICATIONS

A. DRAWINGS: THE SET OF ORIGINAL DRAWINGS HAS BEEN MODIFIED AND INDICATE APPROXIMATE

EXISTING LOCATIONS OF THE HEATING, VENTILATING, AND AIR CONDITIONING SYSTEMS, FIRE

PROTECTION SYSTEMS, PLUMBING EQUIPMENT, FIXTURES AND PIPING SYSTEMS, AND ELECTRICAL

ITEMS. ALL OF THE ITEMS LISTED SHALL BE DEMOLISHED AND REMOVED. ALL ITEMS ARE SHOWN

APPROXIMATELY TO SCALE. FIELD VERIFY CONDITIONS.

B. LOCATION: FIELD VERIFY CONDITIONS FOR ITEMS TO BE DEMOLISHED OR TO REMAIN.

C. SPECIFICATIONS: THE SPECIFICATIONS ARE INTENDED TO SUPPLEMENT THE DRAWINGS AND IT IS

NOT IN THE SCOPE OF THE SPECIFICATIONS TO MENTION ANY PART OF THE WORK THAT THE

DRAWINGS ARE COMPETENT TO FULLY EXPLAIN. CONVERSELY, ANY PART OF THE WORK THAT THE

SPECIFICATIONS ARE COMPETENT TO FULLY EXPLAIN MAY NOT BE MENTIONED ON THE DRAWINGS.

DRAWINGS AND SPECIFICATIONS ARE COMPLIMENTARY/SUPPLEMENTARY DOCUMENTS TO EACH

OTHER.

D. DISAGREEMENT: DISAGREEMENT BETWEEN THE DRAWINGS AND SPECIFICATIONS OR WITHIN THE

DRAWINGS OR SPECIFICATIONS SHALL BE ESTIMATED AND/OR BID USING THE BETTER QUALITY OR

GREATER QUANTITY OF MATERIAL OR INSTALLATION, AND A CLARIFICATION REQUEST FOR

INFORMATION SHALL BE MADE TO THE ARCHITECT/ENGINEER IN A TIMELY MANNER AFTER THE

PROJECT IS UNDER CONTRACT.

1.6 DISCREPANCIES

A. CLARIFICATION: CLARIFICATION OF SIGNIFICANT COST MATTERS SHALL BE OBTAINED BEFORE

SUBMITTING A PROPOSAL FOR THE WORK UNDER DIVISIONS 20-28 AS TO DISCREPANCIES OR

OMISSIONS FROM THE CONTRACT DOCUMENTS OR QUESTIONS AS TO THE INTENT THEREOF.

B. DETAILED INSTRUCTIONS: SHOULD IT APPEAR THAT THE WORK HEREBY INTENDED TO BE DONE OR

ANY OF THE MATERIALS RELATIVE THERETO IS NOT SUFFICIENTLY DETAILED OR EXPLAINED IN THE

DRAWINGS OR SPECIFICATIONS, THEN THE CONTRACTOR SHALL APPLY IN A TIMELY MANNER TO

THE ENGINEER FOR CLARIFICATION OR EXPLANATIONS AS MAY BE NECESSARY, ALLOWING A

REASONABLE TIME FOR THE ENGINEER TO RESPOND. THE CONTRACTOR SHALL CONFORM TO THIS

ADDITIONAL INFORMATION AS A PART OF THE CONTRACT WITHOUT ADDITIONAL COST TO THE

OWNER OR ENGINEER.

C. INTERPRETATIONS: SHOULD ANY DOUBT OR QUESTION ARISE RESPECTING THE TRUE MEANING OF

DRAWINGS OR SPECIFICATIONS, REFERENCE SHALL BE MADE TO THE ENGINEER, WHOSE WRITTEN

DECISION SHALL BE FINAL AND CONCLUSIVE. NO ALLEGED STATEMENT BY THE ENGINEER WILL BE

ACCEPTED AS AN EXCUSE FOR NON-COMPLIANCE OR INFERIOR WORK.

D. CONTRACTOR AGREEMENT: CONSIDERATION WILL NOT BE GRANTED FOR MISUNDERSTANDING OF

THE AMOUNT OF WORK TO BE PERFORMED. TENDER OF A PROPOSAL CONVEYS FULL

CONTRACTOR AGREEMENT OF THE ITEMS AND CONDITIONS SPECIFIED, SHOWN, SCHEDULED, OR

REQUIRED BY THE NATURE OF THE PROJECT, AND ALL COSTS ARE INCLUDED IN THE PROPOSAL.

1.7 NOT USED

1.8 QUALITY ASSURANCE

A. WORKMANSHIP: WORK SHALL BE EXECUTED AND MATERIALS INSTALLED IN ACCORDANCE WITH

THE BEST PRACTICE OF THE TRADES IN A THOROUGH, SUBSTANTIAL, WORKMANLIKE MANNER BY

COMPETENT WORKMEN, PRESENTING A NEAT APPEARANCE WHEN COMPLETED.

B. MANUFACTURERS/PRODUCTS/MATERIALS/METHODS: MANUFACTURERS, PRODUCTS, MATERIALS,

AND METHODS DESCRIBED IN THE VARIOUS SECTIONS OF THE SPECIFICATIONS AND INDICATED ON

THE DRAWINGS ARE INTENDED TO ESTABLISH A STANDARD OF QUALITY ONLY. IT IS NOT THE

INTENTION OF THE ENGINEER TO DISCRIMINATE AGAINST ANY MANUFACTURER, PRODUCT,

MATERIAL, OR METHOD THAT IS EQUAL TO THE STANDARDS AS INDICATED AND/OR SPECIFIED, NOR

IS IT INTENDED TO PRECLUDE OPEN, COMPETITIVE BIDDING. THE FACT THAT A SPECIFIC

MANUFACTURER IS LISTED AS AN ACCEPTABLE MANUFACTURER SHALL NOT BE INTERPRETED TO

MEAN THAT THE MANUFACTURER'S STANDARD PRODUCT WILL MEET THE REQUIREMENTS OF THE

PROJECT DESIGN, SPECIFICATIONS, AND SPACE CONSTRAINTS.

1. WHEREVER A DEFINITE MANUFACTURER, PRODUCT, MATERIAL, OR METHOD IS SPECIFIED AND

THERE IS NOT A STATEMENT THAT ANOTHER MANUFACTURER, PRODUCT, MATERIAL, OR

METHOD WILL BE ACCEPTABLE, IT IS THE INTENTION OF THE ENGINEER THAT THE SPECIFIED

MANUFACTURER, PRODUCT, MATERIAL, OR METHOD IS THE ONLY ONE THAT SHALL BE USED

WITHOUT PRIOR APPROVAL.

2. WHEREVER A DEFINITE MANUFACTURER, PRODUCT, MATERIAL, OR METHOD IS SPECIFIED AS

"NO SUBSTITUTE", IT IS THE INTENTION OF THE ENGINEER THAT THE LISTED ITEM IS THE ONLY

ONE ACCEPTABLE.

E. ALTERNATE MANUFACTURERS/PRODUCTS/MATERIALS/METHODS: PRODUCTS BY ALTERNATE

RELIABLE MANUFACTURERS, PRODUCTS, MATERIALS, OR METHODS MAY BE ACCEPTED PROVIDED

THEY HAVE EQUAL CAPACITY, CONSTRUCTION, AND PERFORMANCE.

1. WHEREVER A DEFINITE MATERIAL OR MANUFACTURER'S PRODUCT IS SPECIFIED AND THE

SPECIFICATION STATES THAT PRODUCTS OF LISTED MANUFACTURERS MAY BE PROVIDED, IT

IS THE INTENTION OF THE ENGINEER THAT ALTERNATE PRODUCTS OF MANUFACTURERS

THAT ARE SPECIFIED (I.E., LISTED) ARE THE ONLY PRODUCTS THAT WILL BE ACCEPTABLE AND

THAT PRODUCTS OF NON-LISTED MANUFACTURERS WILL NOT BE CONSIDERED FOR

SUBSTITUTION WITHOUT PRIOR APPROVAL.

F. SUBSTITUTE MANUFACTURERS/PRODUCTS/MATERIALS/METHODS: PRODUCTS BY SUBSTITUTE

RELIABLE MANUFACTURERS, PRODUCTS, MATERIALS, OR METHODS MAY BE ACCEPTED PROVIDED

THEY HAVE EQUAL CAPACITY, CONSTRUCTION, AND PERFORMANCE.

1. WHEREVER THE EXPRESSION "OR APPROVED EQUAL" IS USED IN THE CONTRACT

DOCUMENTS, IT IS THE INTENTION OF THE ENGINEER THAT SUBSTITUTE MANUFACTURERS,

PRODUCTS, MATERIALS, AND METHODS MAY BE USED ONLY WITH PRIOR APPROVAL. UNDER

NO CIRCUMSTANCES SHALL ANY SUBSTITUTION OF MANUFACTURERS, PRODUCTS,

MATERIALS, OR METHODS BE MADE WITHOUT THE PRIOR WRITTEN APPROVAL OF THE

ENGINEER.

COORDINATION: WHERE ALTERNATE OR SUBSTITUTED EQUIPMENT IS USED ON THE PROJECT, IT SHALL BE THE

RESPONSIBILITY OF THE CONTRACTOR OR SUBCONTRACTOR INVOLVED TO VERIFY THAT THE EQUIPMENT

WILL FIT IN THE SPACE AVAILABLE, INCLUDING ALL REQUIRED CODE AND MAINTENANCE CLEARANCES,

AND TO COORDINATE ALL EQUIPMENT REQUIREMENTS AND PROVISIONS WITH THE SYSTEM DESIGN, ALL

AFFECTED DIVISIONS, AND ALL OTHER CONTRACTORS. WHERE THE USE OF ALTERNATE OR SUBSTITUTE

MATERIALS AFFECTS THE COST OF PROVISIONS MADE BY OTHER CONTRACTORS, THE CONTRACTOR

PROVIDING THE ALTERNATE OR SUBSTITUTE SHALL BE RESPONSIBLE FOR THE OTHER CONTRACTOR'S

COST ADJUSTMENT. THERE SHALL BE NO ADDITIONAL COST TO THE OWNER OR ARCHITECT/ENGINEER

DUE TO THE USE OR ACCEPTANCE OF ANY ALTERNATE OR SUBSTITUTE MANUFACTURER, PRODUCT,

MATERIAL, OR METHOD.

1.9 EXECUTION AND COORDINATION OF WORK

MANUFACTURER'S RECOMMENDATIONS: WITH EXCEPTIONS AS SPECIFIED AND/OR INDICATED ON THE

DRAWINGS OR IN THE SPECIFICATIONS, APPLY, INSTALL, ERECT, USE, CLEAN, AND CONDITION,

MANUFACTURED ARTICLES, MATERIALS, AND EQUIPMENT PER MANUFACTURER'S CURRENT PRINTED

RECOMMENDATIONS. KEEP COPIES OF SUCH PRINTED RECOMMENDATIONS AT JOB SITE AND MAKE THEM

AVAILABLE AS REQUIRED.

1.10 SAFETY REGULATIONS

ALL WORK SHALL BE PERFORMED IN COMPLIANCE WITH ALL APPLICABLE AND GOVERNING SAFETY

REGULATIONS. ALL SAFETY LIGHTS, GUARDS AND SIGNS REQUIRED FOR THE PERFORMANCE OF THE

WORK SHALL BE PROVIDED AND OPERATED BY THE RESPECTIVE CONTRACTOR.

1.11 STORAGE AND PROTECTION OF MATERIALS

THE CONTRACTOR SHALL PROPERLY STORE ALL MATERIAL AND EQUIPMENT AT THE JOBSITE AND

PROTECT IT FROM THE ELEMENTS AND FROM DAMAGE. ANY EQUIPMENT DAMAGED DUE TO IMPROPER

PROTECTION SHALL BE REPLACED BY THE CONTRACTOR AT HIS EXPENSE.

IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE A WATERTIGHT INSTALLATION

THROUGHOUT THE CONSTRUCTION PROCESS.

THE CONTRACTOR SHALL PROTECT THE WORK, EQUIPMENT, AND MATERIAL OF ALL OTHER TRADES FROM

DAMAGE BY HIS WORK OR OTHER WORKMEN, AND SHALL MAKE GOOD ALL DAMAGE THUS CAUSED.

THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL WORK, MATERIALS, AND EQUIPMENT UNTIL FINALLY

INSPECTED, TESTED, AND ACCEPTED; PROTECT WORK AGAINST THEFT, INJURY OR DAMAGE; AND

CAREFULLY STORE MATERIAL AND EQUIPMENT RECEIVED ON SITE WHICH ARE NOT IMMEDIATELY

INSTALLED. CLOSE OPEN ENDS OF WORK WITH TEMPORARY COVERS OR PLUGS DURING CONSTRUCTION

TO PREVENT ENTRY OF OBSTRUCTING MATERIAL. THE CONTRACTOR SHALL COVER AND PROTECT IN AN

ACCEPTABLE MANNER TO THE OWNER, EXISTING REMAINING EQUIPMENT AND MATERIALS.

IF ANY MATERIAL OR EQUIPMENT IS RECEIVED PRIOR TO THE TIME IT IS REQUIRED, THE CONTRACTOR

SHALL BE RESPONSIBLE FOR ITS PROPER STORAGE AND PROTECTION UNTIL SUCH TIME AS IT MAY BE

REQUIRED. THE CONTRACTOR SHALL PAY FOR ALL COSTS OF DEMURRAGE OR STORAGE.

1.12 SCAFFOLDING

THE CONTRACTOR SHALL PROVIDE HIS OWN SCAFFOLDING AND LADDERS TO FACILITATE CONSTRUCTION

OF THE SCOPE OF WORK.

1.13 DRAYAGE AND HAULING

THE CONTRACTOR SHALL KEEP THE JOBSITE FREE FROM THE ACCUMULATION OF TRASH AND

CONSTRUCTION DEBRIS, REGARDLESS OF WHICH SUBCONTRACTOR MAY BE RESPONSIBLE.

CONTRACTOR SHALL KEEP UPKEEP PROPERTY FOR FLOATING DEBRIS.

DENOTES FULL SIZE ARCHITECTURAL SHEET

SEQUENTIAL SHEET NUMBER WITHIN GROUP

GROUP OR DIVISION NUMBER

A1-1

DOOR CLOSERDC

METALMET

DWG DRAWING

FV FIELD VERIFY

HC HANDICAP

FT FOOT

NTS NOT TO SCALE

STEELSTL

AIR CONDITIONING

WATERPROOF(ING), WATERPROOFWP

WATER HEATER, WALL HUNG, WH

WOODWD

WATER CLOSETWC

WITHOUTW/O

WITHW/

VOLUMEVOL

VINYL COMPOSITION TILEVCT

VARIABLE AIR VOLUMEVAV

VACUUMVAC

UNDERWRITERS LABORATORYUL

UNDERGROUNDUG

TELEVISIONTV

TOP OF CONCRETETOC

THRESHOLDTHR

THICKTHK

TEMPORARY, TEMPERATURETEMP

TELEPHONETEL

TOP OF CURBTC

TOP AND BOTTOMT&B

SYSTEMSYST

STRUCTURE, STRUCTURALSTRUCT

SQUARE INCHESSQ IN

SQUARESQ

SPECIFICATION(S)SPEC(S)

SOUNDSND

SIMILARSIM

SQUARE FEETSF

SCHEDULE(D)SCHED

RIGHTRT

ROUGH OPENINGRO

ROOMRM

REQUIREDREQD

REFERRE

ROOF DRAINRD

RETURN AIRRA

RADIUS, RISERR

POWERPWR

PAVEMENTPVMT

PRESSUREPRESS

PANELPNL

PLYWOODPLYWD

PLUMBINGPLBG

PLASTIC LAMINATEP LAM

PLATEPL

OPENINGOPNG

OVERHEADOH

OFFICEOFF

NOT IN CONTRACTNIC

MINIMUMMIN

MANUFACTURERMFR

MECHANICALMECH

MAXIMUMMAX

MATERIALMATL

MECHANICAL ELECTRICAL PLUMBINGMEP

LEFT HANDLH

LAVATORYLAV

LAMINATE(D)LAM(D)

JOINTJT

JANITORJAN

INCHESIN

INSIDE DIAMETERID

HOT WATERHW

HEATING, VENTILATING & HVAC

DETAILDET

DEMOLISH/DEMOLITIONDEMO

DRAIN

D

COLD WATERCW

CERAMIC TILECT

CEILING REGISTERCR

CARPETCPT

CORRIDORCORR

CONTINUOUSCONT

CONSTRUCTIONCONST

CONNECTIONCONN

CONCRETECONC

COLUMNCOL

CLEAN OUTCO

CLASSROOMCLRM

CLOSETCLO

CEILINGCLG

CONTROL JOINTCJT

CONSTRUCTION JOINTCJ

CAST IN PLACECIP

CAST IRON

CI

CHILLED WATERCHW

CHALK BOARDCHBD

CEILING GRILLECG

CEILING DIFFUSERCD

CENTER TO CENTERCC

CABINETCAB

CHANNEL

C

BUILT UP ROOFBUR

BRICKBR

BOTTOMBOT

BLOCK(ING)BLK(G)

BUILDINGBLDG

AIR VENTAV

AUXILIARYAUX

ACCESS PANELAP

ANODIZEDANOD

ALUMINUMALUM

ABOVE FINISH FLOORAFF

AREA DRAINAD

ACOUSTIC DOORACT

ACCESS DOORACC DR

ACOUSTIC, ACOUSTICALAC

ANCHOR BOLTAB

AIR CONDITIONINGA/C

HARDWOODHDWD

HARDWAREWHD

GYPSUM BOARDGYP BD

GYPSUMGYP

GROUTGRT

GRADEGRD

GYPSUM PLASTERGP

GLASSGL

GENERALGEN

GENERAL CONTRACTORGC

GALVANIZEDGALV

GAUGEGA

FURNITUREFURN

FOOTINGFTG

FLOOR(ING)FL(G)

FLUSH JOINTFJT

FIXTUREFIXT

FINISHFIN

FINISH FLOORFF

FOUNDATIONFDN

FLOOR DRAINFD

FIRE ALARM CONTROL PANELFACP

EXTERIOREXT

EXPANSIONEXP

EXISTINGEXIST

EQUIPMENTEQUIP

EQUALEQ

ENTRANCEENT

ENCLOSUREENCL

EMERGENCYEMER

ELEVATOR/ELEVATIONELEV

ELECTRIC(AL)ELEC(L)

ELEVATIONEL

LASTOMERICEELAST

EXPANSION JOINTEJT

EXPANSION JOINT COVEREJC

EXHAUST FAN, EACH FACEEF

ELECTRIC DRINKING FOUNTAINEDF

EACHEA

DOWNSPOUTDS

DOORDR

DOWNDN

DOOR LOUVERDL

DIMENSIONDIM

WEEP HOLE

03

SHEET GROUPING

NTS

04

GENERAL NOTES

NTS

01

GRID

NTS

02

LEGEND

NTS

05

ABBREVIATIONS

NTS

A02-05

3

RE:

A02-05

3

A02-05

3

1

11

INDUSTRY TEXAS

NTS

12

WEST END ELEMENTARY SCHOOL

NTS

INDEX

Sheet Number Sheet Title

ARCHITECTURE

A0-001 COVER SHEET

A3-100 ROOF DEMOLITION PLAN

A3-200 ROOF PLAN

A3-300 ROOF DETAILS

MEP

M3-100 MECHANICAL DEMO ROOF PLAN

M3-200 MECHANICAL ROOF PLAN

M3-300 MECHANICAL DETAILS AND SCHEDULES

E3-200 ELECTRICAL ROOF PLAN

E3-300 ELECTRICAL ONELINE AND PANEL SCHEDULES

E3-301 ELECTRICAL NOTES AND DETAILS

P3-200 PLUMBING ROOF PLAN AND DETAILS

MEP3-100 MEPT COORDINATION ROOF PLAN

10

INDEX

NTS

1

2

AutoCAD SHX Text

6

AutoCAD SHX Text

7

AutoCAD SHX Text

1

AutoCAD SHX Text

2

AutoCAD SHX Text

11

AutoCAD SHX Text

12

AutoCAD SHX Text

8

AutoCAD SHX Text

9

AutoCAD SHX Text

3

AutoCAD SHX Text

4

AutoCAD SHX Text

13

AutoCAD SHX Text

14

AutoCAD SHX Text

10

AutoCAD SHX Text

5

AutoCAD SHX Text

15

AutoCAD SHX Text

16

AutoCAD SHX Text

21

AutoCAD SHX Text

17

AutoCAD SHX Text

22

AutoCAD SHX Text

18

AutoCAD SHX Text

23

AutoCAD SHX Text

19

AutoCAD SHX Text

24

AutoCAD SHX Text

20

AutoCAD SHX Text

25

AutoCAD SHX Text

103-A

AutoCAD SHX Text

18/A3-1

AutoCAD SHX Text

INTERIOR ELEVATION INDICATOR WITH DRAWING AND SHEET REFERENCE

AutoCAD SHX Text

ENLARGED DRAWING AREA WITH DRAWING AND SHEET REFERENCE

AutoCAD SHX Text

REVISION DESIGNATION - ONLY THE LATEST REVISION IS CLOUDED

AutoCAD SHX Text

DETAIL OR SECTION REFERENCE

AutoCAD SHX Text

REFERENCE DRAWING NUMBER

AutoCAD SHX Text

SHEET NUMBER REFERENCED

AutoCAD SHX Text

DETAIL REFERENCED

AutoCAD SHX Text

SCHEDULED DOOR NUMBER

AutoCAD SHX Text

NOTE DESCRIPTION

96'-6" F.V.

5'-2

" F

.V

.3

6'-9

" F

.V

.

47'-8" F.V.

36

'-9

" F

.V

.

54'-6" F.V.

89

'-0

" F

.V

.

198'-8" F.V.

152'-0" F.V.

3'-1

1" F

.V

.

1

4

"/FT

1 4

"/F

T

1

4

"/FT

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

1 4

"/F

T

24

'-6

" F

.V

.2

4'-6

" F

.V

.

1

4

"/FT

1

4

"/FT

1

4

"/FT

4.25"

12"

15"

3"

3"

3"

3"

3"

16'-0" F.V.

4.25"3" 4.25"

4.25" 3"

3"3"3"

3"

A3-300

03

A3-300

03

A3-300

03

A3-300

03

A3-300

13

A3-300

03

A3-300

14

A3-300

03

A3-300

04

SF

LF

ROOF AREA A

101

1903.4

241.0

SF

LF

ROOF AREA A

100

3040.9

261.2

SF

LF

ROOF AREA B

102

3496.1

263.3

SF

LF

ROOF AREA E

105

2408.4

217.4

SF

LF

ROOF AREA D

104

1904.0

254.7

SF

LF

ROOF AREA C

103

3496.1

263.3

SF

LF

ROOF AREA A

100

2091.3

209.2

0" 4'-0" 8'-0" 16'-0"

GRAPHIC SCALE 1"=8'-0"

RTU-9

RTU-7

RTU-8

RTU-5

RTU-4

RTU-6

RTU-1

RTU-2

RTU-3

TYP.

TYP.

TYP.

TYP.

TYP.

35

'-6

" F

.V

.

46'-4"

F.V.

48'-3"

F.V.

10

'-7

"

F.V

.

40

'-0

"

39'-4" F.V. 40'-0" 40'-0" 40'-0" 39'-4" F.V.

24

'-6

" F

.V

.4

0'-0

"

VIEWNUMBER

VIEWTITLE

ViewportScale

A3-300

04

A3-300

04

A3-300

06

A3-300

07

A3-300

08

A3-300

09

A3-300

10

543 SQ. FT. AREA OF

METAL PANEL SOFFIT

346 SQ. FT. AREA OF METAL PANEL SOFFIT




A3-300

08

INSTALL NEW ROOFING MEMBRANES, FLASHING, AND INSULATIONS DOWN TO WOOD AND METAL ROOF

DECK. AT NO TIME SHOULD ANY MATERIALS BE SPOT LOADED ON ANY ROOF AREA/SECTION.

NEW ROOF TOP UNIT (RTU). SEE MEP PLANS FOR EXTENT OF MECHANICAL WORK.

NEW SKYLIGHT SYSTEM PER SPECIFICATIONS.

PATCH ROOF AREA WHERE SKYLIGHT WAS REMOVED OVER STORAGE ROOM . PROVIDE SKYLIGHT

SYSTEM WHERE IDENTIFIED IN NOTE 3.

NEW WALKWAY PATHWAY

REFER TO MEP PLANS FOR GAS LINE SCOPE OF WORK.

REFER TO MEP PLANS FOR WORK TO ELECTRICAL LINES.

EXISTING GUTTER AND DOWNSPOUT TO REMAIN.

ADJUST EXISTING ROOF VENTS AS REQUIRED TO MAINTAIN MINIMUM FLASHING HEIGHTS AND TO

ACCOMMODATE CODE REQUIREMENTS.

INSTALL NEW GUTTER

INSTALL NEW DOWNSPOUT

EXPANSION JOINT

INSTALL VAPOR BARRIER UNDER INSULATION THAT IS OVER UNCONDITIONED SPACE. EXTEND FOLD OF

VB AT INTERSECTION OF CONDITIONED AND NON CONDITIONED SPACE TO TOP OF INSULATION AND

EXTEND 6" PAST EDGE OF CONDITIONED SPACE.

A. ALL MATERIAL STORAGE MUST BE ACCOMMODATED AT GROUND LEVEL. AT NO TIME SHOULD ANY

MATERIALS BE SPOT LOADED ON ANY ROOF AREA/SECTION.

B. EXTEND PLUMBING VENT PIPES, ELECTRICAL CONDUITS, HEATER VENT PIPING, ETC., AS REQUIRED

TO MAINTAIN MINIMUM FLASHING HEIGHTS AND TO ACCOMMODATE CODE REQUIREMENTS.

C. PROVIDE SEPARATE UNIT PRICING FOR REPLACING AREAS OF DAMAGED WOOD DECKING AND

METAL DECKING.

D. INSTALL NEW PIPE SUPPORT SYSTEM FOR GAS PIPING, ELECTRICAL CONDUIT RACEWAYS AND

CONDENSATE DRAIN LINES. REFER TO MEP PLANS.

E. ADJUST MECHANICAL CURBS, EXPANSION JOINTS, AND EXISTING PIPE SUPPORT SYSTEMS TO

ACCOMMODATE NEW INSULATION HEIGHT.

F. AFTER REMOVING ABANDONED EQUIPMENT CURBS, EXHAUST VENTS, ROOF PENETRATIONS,

EXISTING ROOF DRAINS, AND REPAIRING ROOF DECK, FILL IN HOLES IN DECK WITH NEW

STRUCTURE TO MATCH EXISTING (AS REQUIRED) WOOD/METAL DECKING. INSTALL THERMAL

INSULATION AS REQUIRED TO BRING THE AREA UP LEVEL WITH THE SURROUNDING SUBSTRATE.

G. INSTALL THERMAL INSULATION, 1/4-INCH TAPERED INSULATION, AND COVER BOARD. MECHANICALLY

ATTACH THERMAL INSULATION AND TAPERED INSULATION. SECURE COVERBOARD IN LOW-RISE

FOAM ADHESIVE.

H. INSTALL NEW TREATED WOOD BLOCKING AS REQUIRED TO ACCOMMODATE NEW INSULATION

HEIGHT AT PERIMETERS AND PENETRATIONS.

I. INSTALL NEW ROOF ASSEMBLY AS SPECIFIED.

J. INSTALL NEW EDGE METAL FLASHING. PROVIDE NEW FLASHING TO EXTEND DOWN PAST THE

BOTTOM OF THE WOOD BLOCKING.

K. INSTALL NEW GUTTERS AND DOWN SPOUTS ALONG THE ENTIRE PERIMETER.

L. REPLACE ALL SOFFIT MATERIAL WITH SPECIFIED NEW MATERIALS SELECTED BY OWNER.

M. AFTER REMOVAL OF EXISTING SKYLIGHT, DECK OVER DESIGNATED SECTIONS OF THE EXISTING

SKYLIGHT MAKING STRUCTURALLY SOUND; TIE INTO EXISTING WOOD STRUCTURE.

N. ADJUST SKYLIGHT CURBS TO ACCOMMODATE NEW INSULATION HEIGHT.

O. INSTALL NEW SKYLIGHT AS PER SPECIFICATION.

P. PROVIDE COMMERICAL GRADE CONCRETE SPLASH BLOCK AT ALL DOWNSPOUT DISCHARGE

LOCATIONS.

1. ANY DRAWINGS SUPPLIED ARE FOR REFERENCE PURPOSES ONLY. DIMENSIONS, PENETRATIONS,

CURBS, ETC. MUST BE FIELD VERIFIED. THOSE SHOWN ARE TYPICAL BUT MAY NOT BE ALL

INCLUSIVE, AND CONTRACTOR SHALL BE RESPONSIBLE FOR THE CORRECTNESS OF SAME. ANY

EXISTING INSULATION THICKNESS, DECK TYPE OR OTHER DETAILS SHOWN ON THE DRAWINGS

SHALL BE SUBJECT TO CONTRACTOR CONFIRMATION.

2. REMOVE EXISTING FLAT ROOF MEMBRANES, FLASHING, AND ANY INSULATION DOWN TO THE

ROOF DECK AS SPECIFIED IN ROOF DEMOLITION SHEET A3-100.

3. INSTALL WALKPADS AROUND ALL HVAC ROOF EQUIPMENT .

4. REFER TO SHEETS A3-300 FOR ROOF DETAILS FOR DIFFERENT ROOF CONDITIONS.

5. MEP PLANS WILL BE ISSUED IN ADDENDUM #1, ALTHOUGH THESE PLANS ARE REFERENCED IN

NOTES TO SHEET, DETAIL 5. MEP SCOPE OF WORK WILL BE AS FOLLOWS:

5.1. PLUMBING - APPROXIMATELY 200FT OF PROPANE GAS PIPING ON THE ROOF SHALL BE

REPLACED IN PLACE AT THE NEW ELEVATION COORDINATING WITH THE ROOF

REPLACEMENT. THE GAS PIPING SHALL BE RECONNECTED TO EIGHT ROOFTOP UNITS AND

ONE EXISTING GAS RISER INTO THE KITCHEN. APPROXIMATELY 15 EXISTING VENTS

THROUGH THE ROOF SHALL BE RAISED TO 6" ABOVE THE NEW ROOF HEIGHT.

5.2. MECHANICAL - NINE EXISTING PACKAGED ROOFTOP UNITS WILL BE REPLACED WITH NEW ON EXISTING CURBS ANDRECONNECTED TO EXISTING DUCTWORK. FOUR ROOF VENTS WILL BE REMOVED AND REINSTALLED NEW ROOF CURBS.THREE EXHAUST FANS, TWO KITCHEN GREASE HOOD FANS AND ONE KITCHEN SUPPLY FAN WILL BE REMOVED ANDREINSTALLED ON EXTENDED ROOF CURBS. FOR ALL DUCTED EQUIPMENT, THE EXISTING DUCTWORK SHALL BE EXTENDEDTO MATCH THE NEW UNIT HEIGHTS. THE EXISTING CURBS WILL BE RAISED BY THE ROOFING CONTRACTOR. COORDINATEWITH THE ROOFING CONTRACTOR FOR REPLACEMENT/RE-INSTALLATION OF ALL EQUIPMENT WITH CURB REVISIONS.APPROXIMATELY 200FT OF EXISTING CONDENSATE PIPING SHALL BE RAISED AND SET ON NEW ROOF SUPPORTS.RE-TERMINATE CONDENSATE PIPING TO EACH NEW ROOFTOP UNIT. COORDINATE WITH ROOFING CONTRACTOR TOPROVIDE REVISED FLASHING FOR TWO FLUE VENTS AT EXISTING ROOF PENETRATIONS.

5.3. ELECTRICAL - ALL EXISTING CONDUIT ON THE ROOF SHALL BE RAISED TO ACCOMMODATE THE NEW ROOF

HEIGHT. EXISTING CONDUIT SHALL BE EXTENDED AT THE NEW ROOF JACK, PROVIDED BY OTHERS. WIRING

SHALL BE SPLICED AND EXTENDED AS NECESSARY TO ACCOMMODATE NEW HEIGHT. ELECTRICAL

TERMINATIONS TO NINE ROOFTOP UNITS AND FIVE FANS SHALL BE DISCONNECTED/RECONNECTED AS

REQUIRED TO ACCOMMODATE NEW OR RAISED EQUIPMENT.

VIEWNUMBER

VIEWTITLE

ViewportScale

REAR ELEVATION

FRONT ELEVATION

RIGHT ELEVATION

LEFT ELEVATION

VIEWNUMBER

VIEWTITLE

ViewportScale

PLYWOOD DECKING TO MATCH

EXISTING DECK

2X12 #2 SYP AT 24" CENTERS

2X12 #2 SYP CONTINUOUS

REMOVE TRIM

2X4 BLOCKING

AT 24 CENTERS PLYWOOD DECKING TO MATCH

EXISTING DECK

48" F.V.

A3-200

ROOF PLAN

PROJ. NO.:

DATE:

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CONSULTANTS

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ISSUED FOR: ADDENDUM #2

06/02/2020

ADDENDUM #2 06/02/2020

05/13/2020

01

ROOF PLAN

1/8" = 1'-0"

05

NOTES TO SHEET(2)

1/8" = 1'-0"

10

ROOF INSTALLATION GENERAL INSTRUCTION

1/8" = 1'-0"

20

GENERAL NOTES

1/8" = 1'-0"

15

ELEVATIONS

1/8" = 1'-0"

04

SKYLITE REPAIR

1-1/2" = 1'-0"

A3-200

04

1

1

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NOTES:

x

VIEWTITLE

ViewportScale

EXTEND FIELD SHEET

OR A SEPARATE

MEMBRANE SHEET TO

OVERLAY METAL

CLOSURE

NEW METAL SOFFIT SHALL BE ADDED TO

ALL SOFFITS AROUND THE EXTERIOR.

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

x

VIEWTITLE

ViewportScale

FIRESTONE INSULATION

SUBSTRATE

INSULATION BY OTHERS

INSULATED METAL CURB

WOOD NAILER

R.T.U.

PLATINUM TPO MEMBRANE

WIDE WELD SPLICE (SEE NOTE #2)

NOTES:1. REFER TO FIRESTONE WEBSITE

FOR MOST CURRENTINFORMATION.

2. REFER TO DETAIL UT-LS-1 OR 2FOR WELD WIDTH.

3. NAILING AND METALCOUNTERFLASHING ARE NOTREQUIRED IF MEMBRANE IS RUNUP AND OVER CURB WALLS PRIORTO INSTALLATION OF R.T.U.

4. METAL COUNTERFLASHING SHALLBE 24 GAUGE PRE-FINISHED STEELOR .032" MIN. ALUMINUM FORMEDWITH HEMMED LOWER EDGEMOUNTED TIGHTLY TO UNDERSIDEOF MECHANICAL UNIT.

5. MAXIMUM 6" (152 mm) LONGFASTENERS.(NOTE: WOOD BLOCKING MAY BESUBSTITUTED FOR INSULATION TOREDUCE FASTENER LENGTHREQUIREMENT).

6. BONDING ADHESIVE REQUIREDBETWEEN MEMBRANE ANDINSULATION FOR FULLY ADHEREDSYSTEMS.

7. WHEN REINFORCEMENT OF TPOMEMBRANE IS EXPOSED, REFERTO UT-LS-14 FOR CUT EDGESEALANT APPLICATION.

8. INSTALL METAL WORK INACCORDANCE WITH CURRENTSMACNA RECOMMENDATIONS.

METAL COUNTERFLASHING BY OTHERS3" (76 mm) MIN. FACE (SEE NOTE #4 & #8)

ULTRAPLY TPO BONDING ADHESIVE (SEE NOTE #6)

GASKETED FASTENER BY OTHERS

@ 12" (305 mm) O.C. MAX.

FIRESTONE FASTENER AND HD ORHD PLUS SEAM PLATE @ 12" (305 mm)O. C. MAX. (SEE NOTES #5)

1-1/4" HOT DIPPED GALVANIZED ROOFNAILS @ 12" (305 mm) O.C. MAX.

ULTRAPLY TPO 18" CURB FLASHING, .060",OR APPROPRIATE PLATINUM MEMBRANE

ULTRAPLY TPO BONDINGADHESIVE (SEE NOTE #6)

VIEWNUMBER

VIEWTITLE

ViewportScale

RECOVERY BOARD

TPO MEMBRANE

TPO MEMBRANE

NOTES:1. REFER TO MANUFACTURERS WEB

SITE FOR MOST CURRENTINFORMATION.

2. REFER TO DETAIL PUT-LS-1 ORPUT-LS-3 FOR WELD WIDTH.

3. T-JOINT COVER REQUIRED FORMEMBRANE WITH A GAUGE GREATERTHAN .045.

4. TPO FLASHING (UNSUPPORTED)(4"x4" MIN. WITH ROUNDEDCORNERS) MAY BE USED IN LIEU OFT-JOINT COVER.

5. WHEN REINFORCEMENT OF TPOMEMBRANE IS EXPOSED, REFER TOUT-LS-14 FOR CUT EDGE SEALANTAPPLICATION.

TPO T-JOINT COVER(SEE NOTE #3 & #4)

WIDE WELD SPLICE ATFIELD SEAM (SEE NOTE #2)

WIDE WELD SPLICE ATHEADLAP (SEE NOTE #2)

VIEWNUMBER

VIEWTITLE

ViewportScale

??

4 3/4" (108 mm) - 5" (127 mm) WIDE WELD

3-1/4" (83 mm) - 3-3/4" (95 mm)

6" (152 mm) LAP

SLOPE

2" (51 mm) WELD

NOTES:1. REFER TO MANUFACTURERS WEB SITE FORMOST CURRENT INFORMATION.

MANUFACTURERSFASTENERAND BATTEN STRIP

WHEN POLYESTER REINFORCEMENT OF TPO

IS EXPOSED, APPLY CUT EDGE TREATMENT TO

ENTIRE EXPOSED EDGE. REFER TO UT-LS-14.

VIEWNUMBER

VIEWTITLE

ViewportScale

??

8" (152 mm) MIN.

USE APPROPRIATE

TERMINATION DETAIL

USE APPROPRIATE

BASE TIE-IN DETAIL

ULTRAPLY TPO JOINT COVERREFLEXEON TPO JOINT COVER

NOTES:1. REFER TO MANUFACTURERS WEBSITE FOR MOST

CURRENT INFORMATION.2. REFER TO DETAIL PUT-LS-1 OR PUT-LS-3 FOR

WELD WIDTH.3. WHEN REINFORCEMENT OF TPO MEMBRANE IS

EXPOSED, REFER TO UT-LS-14 FOR CUT EDGESEALANT APPLICATION.

PRE-MOLDED ULTRAPLY OR REFLEXEONTPO INSIDE/OUTSIDE CORNER WELDED INPLACE (SEE NOTE #3)

TPO MEMBRANE (FIELD SHEET)

VIEWNUMBER

VIEWTITLE

ViewportScale

ULTRAPLY TPO 18" CURB FLASHINGOR MEMBRANE HEAT WELDED TOTPO FIELD SHEET (SEE NOTE #2)

WALL / CURB

WALL / CURB WALL / CURB

6" (152 mm) MAX.6" (152.4 mm) MAX.

TPO MEMBRANE

1/2" (13 mm) MIN. (TYP.)

6" (152 mm) MAX.6" (152 mm) MAX.

TPO MEMBRANE

WALL/CURB ATTACHMENT

1-1/4" (32 mm) TO

1/2" (13 mm) MIN.

1-1/2" (38 mm)

WALL / CURB

DECK ATTACHMENT

NOTES:1. REFER TO MANUFACTURERS WEBSITE FOR MOST

CURRENT INFORMATION.2. MAXIMUM 6" (152 mm) LONG FASTENERS. (NOTE:

WOOD BLOCKING MAY BE SUBSTITUTED FORINSULATION TO REDUCE FASTENER LENGTHREQUIREMENT).

HD OR HD PLUS SEAM PLATEAND MANUFACTURERS

FASTENERAT 12" (305 mm) O.C. MAX.(SEE NOTE #2)

BASE FLASHINGS AND

TERMINATIONS NOT SHOWN

FOR CLARITY. REFER TO

APPROPRIATE TERMINATION

& BASE TIE-IN DETAILS.

VIEWNUMBER

VIEWTITLE

ViewportScale

NOTES:

NOTES:

SPLICE COVER

CURB FLASHING

EPDM ISOLATOR

EPDM ISOLATOR

SPLICE

COVER

CURB

FLASHING

4'-0" F.V.

4'-11" F

.V

.

4'-9" F.V.

2'-0

"

2'-6

1 4

"

2"

1'-0"

EX

IS

TIN

G

EX

IS

TIN

G

EXISTING FRAMING

3

4

" EXTERIOR

PLYWOOD

FRY REGLET

FRY REGLET

1'-2

"1

0"

PROVIDE NEW 2X4 WOOD STUD WALL

WITH STUDS AT 24" CENTERS AND 3"

BATT INSULATION. INTERIOR FACE

HARDY PLANK SIDING ON

5

8

" EXTERIOR

GYP SHEATHING.

EXISTING WOOD DECK

SLOPED INSULATION BOARD OVER RIGID INSULATION

3

4

" EXTERIOR

PLYWOOD

RECOVERY

BOARD

A3-300

ROOF DETAILS

PROJ. NO.:

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ISSUED FOR: ADDENDUM #2

06/02/2020

ADDENDUM #1 05/22/2020

ADDENDUM #2 06/02/2020

05/13/2020

03

GUTTER (TP-23S)

3" = 1'-0"

14

METAL PARAPET COPING AND BASE FLASHING

3" = 1'-0"

04

RAISED CURB DETAIL FOR ROOFTOP AIR HANDLING UNITS AND DUCTS (PREFABRICATED METAL CURB)

3" = 1'-0"

11

RAISED CURB DETAIL FOR ROOFTOP AIR HANDLING UNITS (JOB SITE CONSTRUCTED WOOD CURB)

3" = 1'-0"

08

PLUMBING VENT

3" = 1'-0"

01

TERMINATION AT R.T.U. WITH WELDED SPLICE ANDCOUNTERFLASHING (UNIT FLANGE MOUNTED TO SUBSTRATE)

6" = 1'-0"

05

LAP SPLICE WITH HEADLAP OVER FIELD SEAM USING T-JOINT COVER

6" = 1'-0"

02

LAP SPLICE WITH CONTINUOUS WIDE WELD

6" = 1'-0"

09

OUTSIDE CORNER

6" = 1'-0"

10

MEMBRANE SECUREMENT AT OUTSIDE CORNER

6" = 1'-0"

06

EXPANSION JOINT WITH PRE-MANUFACTURED COVER

3" = 1'-0"

07

SHEET METAL ENCLOSURE FOR PIPING THROUGH ROOF DECK

3" = 1'-0"

1

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SKYLIGHT

1-1/2" = 1'-0"_1_XREF

2

2

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CONTINUOUS CLEAT

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(FASTENED PER

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TABLE 1)

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GUTTER SPACER

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FROM BRACKETS

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SHEET METAL GUTTER

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ROOF

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DECK

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WOOD

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NAILERS

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OPTIONAL:

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FASTENERS AT APPROX. 3"

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[76mm] O.C., DO NOT STAGGER

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FLASHING MEMBRANE

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THERMOPLASTIC ROOF MEMBRANE

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THERMAL INSULATION

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SHEET METAL OR MEMBRANE COATED

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METAL EDGE FLASHING (AS REQUIRED

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BY MANUFACTURER); OPTIONAL:

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DRAINAGE BAR TO RETAIN BALLAST

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SEALANT (IF REQUIRED BY THE

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OPTIONAL:

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EXTEND FIELD SHEET OR A SEPARATE MEMBRANE SHEET TO OVERLAY METAL CLOSURE

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GUTTER BRACKET SUPPORT AT 12" [304.8MM] TO 36" [914.4MM] O.C.

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1. GUTTER BRACKETS ARE RECOMMENDED TO BE AT LEAST GUTTER BRACKETS ARE RECOMMENDED TO BE AT LEAST ONE GAUGE HEAVIER THAN GUTTER STOCK. 2. ATTACH WOOD NAILER TO WALL/DECK WITH SUITABLE ATTACH WOOD NAILER TO WALL/DECK WITH SUITABLE FASTENERS. 3. DESIGN GUTTER EXPANSION JOINTS PLACED AT DESIGN GUTTER EXPANSION JOINTS PLACED AT APPROPRIATE INTERVALS COMMENSURATE WITH TYPE OF METAL. 4. SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN OVERLAYING SOME INSULATIONS OR SUBSTRATES.

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1/2" RECOVERY BOARD

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1" [25mm] MIN.

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BELOW BLOCKING

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THIS DETAIL SHOULD BE USED ONLY WHERE THE DECK IS SUPPORTED BY THE WALL. EXPANSION

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JOINT DETAIL SIMILAR TO DETAIL TS-4 SHOULD BE USED FOR NON-WALL SUPPORTED DECK.

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SEE TABLE 3 FOR ALTERNATE SHEET METAL PARAPET CAP SECUREMENT AND LOCKS, AND SEAMS FOR JOINTS

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IN SHEET METAL.

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SHEET METAL PARAPET CAP

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CONTINUOUS TAPERED WOOD

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SHIM (E.G., BEVELED CEDAR

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SIDING)

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WOOD NAILER

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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(APPROX. 18" [457mm] O.C.

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DEPENDING UPON WIND ZONE

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AND LOCAL CONDITIONS)

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EXTEND MEMBRANE TO BELOW

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NAILER AND SECURE

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SEE SINGLE-PLY TABLE 7 FOR

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PERIMETER SECUREMENT OPTIONS

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THERMAL INSULATION

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ROOF DECK

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FLASHING MEMBRANE

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SPECIFIC SYSTEM)

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THERMOPLASTIC

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TOP LAYER OF INSULATION CAN BE EITHER THERMAL INSULATION OR COVERBOARD INSULATION.

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SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN OVERLAYING SOME INSULATIONS OR SUBSTRATES.

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FASTENERS APPROX. 6"

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[152mm] O.C.

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NOMINAL FLASHING HEIGHT

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10" [254mm]

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RECEIVER

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REMOVABLE SHEET METAL

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COUNTERFLASHING

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ALTERNATE CURB BEARING

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LOCATION FOR HEAVY WEIGHT

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UNIT MOUNTING CURB

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SEALING MATERIAL

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WOOD NAILER

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THE CURBS, TOP WOOD NAILER, AND SEAL STRIP ARE TO BE SUPPLIED BY THE CURB MANUFACTURER.

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ATTACH NAILER TO DECK WITH SUITABLE FASTENERS.

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WHEN POSSIBLE, THE MECHANICAL UNITS SHOULD NOT BE SET UNTIL THE ROOF MEMBRANE AND

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FLASHING HAVE BEEN INSTALLED.

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(ADHERED TO CURB)

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SEE SINGLE-PLY TABLE 7

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FOR PERIMETER SECUREMENT

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OPTIONS

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SEALANT (IF REQUIRED BY

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THE SPECIFIC SYSTEM)

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THERMOPLASTIC

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LOADING CONDITIONS

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HIGH-DOMED, CAPPED, GASKETED FASTENERS (APPROX. 18" [457mm] O.C., DEPENDING UPON WIND ZONE AND LOCAL CONDITIONS; MINIMUM TWO FASTENERS PER SIDE)

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(APPROX. 18" [457mm]

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WIND ZONE AND LOCAL

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CONDITIONS; MINIMUM

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TWO FASTENERS PER

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SIDE)

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WOOD NAILERS

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(ADHERED TO CURB)

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FOR PERIMETER SECUREMENT

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OPTIONS

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THERMOPLASTIC

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WHEN POSSIBLE, THE MECHANICAL UNITS SHOULD NOT BE SET UNTIL THE ROOF MEMBRANE AND

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FLASHING HAVE BEEN INSTALLED.

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SEALING MATERIAL

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THERMAL INSULATION

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ROOF DECK

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SEALANT

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DRAWBAND

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INSTALL SEALANT

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BETWEEN PIPE AND

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PREFABRICATED

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PREFABRICATED

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PLUMBING VENT

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STACK

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FROM WALLS, CURBS, AND OTHER PROJECTIONS TO FACILITATE PROPER FLASHING. (SEE TABLE 4.)

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VENT STACKS AND OTHER PIPES SHOULD HAVE A MINIMUM OF 12 INCHES OF CLEARANCE ON ALL SIDES

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FLASHING REQUIREMENTS TYPICAL FOR BOTH SIDES OF THE EXPANSION JOINT.

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3.

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2.

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THERMAL INSULATION

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ROOF DECK

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TO THE OUTSIDE

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WOOD CURBS TO DRAIN

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BEVEL TOP OF BOTH

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INSULATION

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COMPRESSIBLE

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TO TOP OF CURB)

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RETAINER (ATTACHED

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SERVE AS INSULATION

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FLEXIBLE VAPOR

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RETARDER TO

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HIGH-DOMED, CAPPED,

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[203mm] O.C.

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FASTENERS APPROX. 8"

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GASKETED FASTENERS

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MEMBRANE CLOSURE

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FLEXIBLE WATERPROOF

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EXPANSION JOINT COVER

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PRE-MANUFACTURED

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(APPROX. 18" [457mm]

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O.C., DEPENDING UPON

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WIND ZONE AND LOCAL

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CONDITIONS)

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10" [254mm]

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WOOD NAILERS

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FLASHING MEMBRANE

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4.

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(ADHERED TO CURB)

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FOR PERIMETER

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SECUREMENT OPTIONS

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THERMOPLASTIC

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ROOF MEMBRANE

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5.

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1.

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THIS DETAIL ALLOWS FOR BUILDING MOVEMENT IN BOTH DIRECTIONS.

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RECOVERY BOARD

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THIS DETAIL ILLUSTRATES ANOTHER METHOD OF ELIMINATING PITCH POCKETS AND AN OPTIONAL

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METHOD OF GROUPING PIPING THAT MUST PENETRATE THE ROOF.

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MANY MANUFACTURERS OFFER PREFABRICATED BOOTS AND OTHER MATERIALS FOR THIS PURPOSE.

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2.

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SPECIFICS ON THESE PROPRIETARY DESIGNS VARY GREATLY, AND INDIVIDUAL MANUFACTURERS'

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SPECIFICATIONS SHOULD BE CONSULTED FOR THEIR USE.

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SHEET METAL ENCLOSURE

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-CROSSBREAK OR SLOPE

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FOR DRAINAGE

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INSULATE VOID TO PREVENT

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CONDENSATION

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SHEET METAL OR FLEX-TUBE

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COLLAR

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SLOPE PIPES DOWN AND

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MINIMUM 4" [102mm]

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CLEARANCE FROM PIPE TO

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TOP OF CURB; MIN. 2" [51mm]

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BETWEEN PIPES

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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(APPROX. 18" [457mm] O.C.

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DEPENDING UPON WIND ZONE

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AND LOCAL CONDITIONS;

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MINIMUM TWO FASTENERS

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PER SIDE)

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COUNTERFLASHING

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SHEET METAL FLASHING RECEIVER

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10" [254mm] NOMINAL

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FLASHING HEIGHT

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THERMOPLASTIC

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ROOF MEMBRANE

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THERMAL INSULATION

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ROOF DECK

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FLASHING MEMBRANE

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(ADHERED TO CURB)

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SEE SINGLE-PLY TABLE 7 FOR

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PERIMETER SECUREMENT OPTIONS

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SPECIFIC SYSTEM)

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4.

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SEALANT

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5.

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AWAY FROM HOOD

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RECOVERY BOARD

WEST END ELEMENTARY MEPT COORDINATION ROOF PLAN1

© © ©

HRO TN

RACEWAY AT DISTRIBUTION PANEL DPAE1

LIGHT OUTSIDE CAFETERIAL1

LIGHT AT FRONT OF BUILDINGL2

LIGHT AT REAR CANOPYL3

ANTENNA MAST AND CCTV CABLINGS0

PLUMBING VENT AT REAR CANOPYP1

T1

RTU CONDENSATE LINE AT KITCHENM1

EXISTING CCTV CAMERAS @ BLDG FRONTS2S1

EXISTING CCTV CAMERAS @ REAR & GYMS4S3

EXISTING ELECTRICAL SERVICEE2

PROJ. NO.:DATE:

11767 KATY FREEWAY, STE 1212HOUSTON, TEXAS 77079

ARCHITECTSAND PLANNINGCONSULTANTS

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06.02.2020

SEAL

ISSUED FOR: ISSUED FORBIDDING

REVISIONSADDENDUM #1MAY 22, 2020

ADDENDUM #2JUNE 02, 2020

MEP3-100MEPT COORDINATION

ROOF PLAN

ADDENDUM 2