Amendment 001 dtd 31 Aug 11.pdf

Building #636 – Sustainment Repairs August 31, 2011 Forbes Field, Topeka, Kansas HTK Project No. 0905.02- 009 D.O.F.E. Project No. T233

Amendment #001

August 31, 2011

ISSUED BY:

HTK Architects, P.A.

2900 SW MacVicar Avenue Topeka, Kansas 66611-1790 Contact: Dennis Haugh Telephone: 785-266-5373

NOTICE ALL BIDDERS FOR THE:

DOFE Project #T233, KSARNG, Bldg 636 Sustainment Repairs Solicitation Number: FMATOC-11-R-0003 Agency: Department of the Army Office: National Guard Bureau Location: USPFO for Kansas

You are instructed to read and to note the following described changes, corrections, clarifications, omissions, deletions, additions, approvals and statements pertinent to the Contract Bid and Construction Documents.

The Amendment No. 1 is a part of the Contract Bid and Construction Documents and shall govern in the performance of the Work.

Article 1-1, Specification Table of Contents

A. Add the following:

“SECTION 07 2500 – Weather Barriers”

Article 1-2, Specification Division 3 - Concrete

A. Section 03 3510 Polished Concrete Finishing, 1.6 Informational Submittals; B, 4 and 1.8 Quality Assurance; A, 3, 4, and 5 IPCI requirements shall be deleted.

Article 1-3, Specification Division 7 – Thermal and Moisture Protection

A. Add the following specification: “Section 07 2500 – Weather Barriers”, attached to the end of this amendment.

Article 1-4, Specification Division 8 – Openings

A. Section 088000 – Glazing, 2.9 laminated Glass: Shall be revised to add the following:

“B. Clear laminated spandrel glass with two plies of annealed float glass.

1. Thickness of Each Glass Ply: 1/8-inch (3.5 mm).

2. Inerlayer Thickness: 0.090 inch (2,29 mm).

3. Silicone Coating: Applied on surface #4. Color as selected by the architect from manufacturer’s full range of colors.”

B. Section 088000 – Glazing, 2.10 NSULATING GLASS, and A.5.: Shall be revised to read: “Indoor Lite: Clear annealed, laminated float glass or Clear annealed laminated spandrel glass as noted on drawings.”

C. Section 088000 – Glazing, Shall be revised to add the following:

“2.11 FIRE-PROTECTION-RATED GLAZING

A. Film-Faced Clear Ceramic Flat Glass:

1. Listed and labeled by a testing agency acceptable to authorities having jurisdiction, for fire-protection ratings indicated, based on testing according to NFPA 252 for door assemblies.

2. Thickness: 3/16-inch.

3. Glass Type: 60-minute fire-rated glazing.

4. Facing: Faced on one surface with clear glazing film, complying with testing requirements in 16 CFR 1201 for Category II materials.

5. Provide safety glazing labeling.

Article 1-5, Specification Division 10 - Specialties

A. Section 102800 – Toilet, Bath and Laundry Accessories, add the following:

2.4 ACCESSORIES SCHEDULE

1. Location of Accessories: Locate accessories as directed by the Architect. Refer to drawings for typical mounting heights and clearances.

2. Room 15 – Women's Latrine

No. Item

1 42” Grab Bar 1 36” Grab Bar 1 Toilet Tissue Dispenser – Relocate existing unit.

1 Sanitary Napkin Disp0sal Unit – Relocate existing unit 1 Shower Curtain Rod 1 Robe Hook / Towel Pin 1 Mirror Unit – Relocate existing unit & shelf.

1 Liquid Soap Dispenser – Relocate existing unit 1 Air Freshener / Deodorizer – Relocate existing unit 1 Shower Seat

3. Room 16 – Men’s Latrine

1 42” Grab Bar 1 36” Grab Bar 1 Toilet Tissue Dispenser

1 Air Freshener / Deodorizer

4. Room 16a – Men’s Shower (Drying Area)

5 Robe Hook / Towel Pin - Relocate existing units, B. Section 105133 – Metal Lockers

1. 2.2 B., 1. Shall be revised to read: “Double Tier: 18” w x 16” d, x 72” h. at Men’s Locker Room 24, Women’s Locker Room 23 and Men’s Latrine 16; 12” w x 14” d x 72” h at Women’s Latrine 15.

Article 1-6, Sheet T1.2

A. Graphic Symbols: Shall be revised as follows:

1. Floor Drain Symbol description: Revise to read: “Floor drain at 2” below finish floor where possible, but not to exceed 2 percent slope.”

2. Add wall control joint symbols and descriptions for masonry and gypsum board walls.

See attached symbols at the end of this amendment on Partial Floor Plans sheet A1.1.

B. Partition Types: Shall be revised as follows:

1. M3 Partition: Add at end of written description: “One hour rated.”

2. M4 Partition: Revise written description to read: ” ….Extend partition one block course above finish ceiling (4” minimum)….”

3. M5 Partition: Delete.

4. M6 Partition: Revise written description to read: ” ….Extend partition one block course above finish ceiling (4” minimum)….”

5. G1 Partition: Revise written description to read: “…Extend to 4” above finished ceiling….”

6. G2 Partition: Revise written description to read: “Weather barrier applied over interior face of building walls including existing metal liner panels and gable endwall insulation, with tape joints and flashings to existing construction. 3 3/5” Metal Studs @ 16’ O.C.. Fill with R13 unfaced batt insulation between studs. Cover studs with 5/8” gypsum board.

Extend partition to underside of existing structural steel main frames or girts.”

7. General Notes: Shall be revised to add the following note:

“18. 1All interior masonry partition walls shall be provided with #4 steel reinforcing full height at 48 inches on center. Drill into existing floor slab 6” and set reinforcing with epoxy adhesive.” Refer to structural drawings for additional reinforcing requirements.

Article 1-7, Sheet D-1

A. Demolition Notes: Shall be revised as follows:

1. D2: Revise to read: “Existing floor drain to be removed. Refer to MEP drawings for requirements.”

2. D3: Revise to add: “At Sheet Metal Shop 25, salvage partition metal wall panels and steel wall girts for re-use at coiling door openings infill. Refer to new demolition note D18.

3. D6: Delete.

4. D7: Revise note to add: “Where existing opening with door and frame exist, remove door and frame. Patch wall, floor and ceiling in preparation for installation of new door and frame.”

5. Add new Demolition Note 18: “Remove existing coiling door completely. Retain existing steel channel perimeter structural frame. Prepare opening for infill matching existing exterior wall. Refer to Plan note 12, sheet A1.1.

B. Demolition Plan: Shall be revised as follows:

1. Change demolition note D1 at existing NE corner door opening in Sheet Metal Shop 25 to read: “D4”.

2. Change demolition note D15 at exterior door to Classroom 11, Corridor 18b, and Offices 3a and 3b to read: “D7”.

3. Add demolition note D18 at the two exterior coiling doors located at the South wall of room no. 25. Delete notes D1.

Article 1-8, Sheet A1.1

A. Floor plan Notes: Shall be revised as follows:

1. Add Floor Plan Note 12: “Infill existing coiling door opening with construction matching existing wall. Provide new 6 inch high x 8 inch wide concrete base matching existing, reinforced with 1 no. 4 bar horizontal and no. 4 bar dowels set with epoxy 6 inches into floor slab at 48 inch centers. Install salvaged infill girts, secured to existing steel channel frames, at spacing matching existing walls. Reinstall salvaged exterior metal wall panels from demolished interior divider wall to girts utilizing existing screw holes in panels where possible. Fill unused holes with screws matching existing. Provide un-faced batt building insulation between girts matching R-value of existing wall and re-install steel interior liner panels Provide partition type G2.”

B. Floor Plan: Shall be revised to add control joints in walls at locations noted in partial plan attached to the end of this amendment.

C. Room Finish Schedule: Shall be revised as follows:

1. Room 14: Change base to read “21”.

2. Room 15: Add Note No. 5 in note column.

3. Room 21: Change floor finish to read “17”.

D. Room Finish Schedule Notes: Shall be revised as follows:

1. Change note 3 to read: “High Performance Coating occurs…”

2. Add the following: “ 5. Provide resinous wall coating at the East, West and South walls of shower from floor to ceiling, terminating at the end of East and West sidewalls at start of CMU corner radius.” The remaining walls in this room shall remain as scheduled and noted.”

E. Room Finish Schedule Legend: Shall be changed as follows:

1. Change Wall finish 31 to read ” high performance Coating”.

2. Change Ceiling finish 42 to read “Paint all exposed ductwork, conduit, structure, etc. – Dry Fall paint.”

3. Change Ceiling finish 44 acoustic lay-in panels size to 2 x 2.

Article 1-9, Sheet A1.2

A, Women’s Locker Room 23:

1. Change wall type M3 to M4

2. Note West wall as type M2

3. Change locker designation to L1a..

B. Men’s Shower and Drying Area 16a:

1. Delete plan note reference 10.

2. Change Plan note reference 5 to note 12.

C. Women’s Latrine 15: Add plan note reference 10 at shower.

D. Men’s Locker Room 24: Change locker designation to L1a.

E. Men’s Latrine 16: Change locker designation to L1a.

F. Women’s Latrine 15: Change locker designation to L1b.

G. Floor Plan Notes: Add the following note: “12: Infill existing opening with construction matching existing; consisting of a 6 inch light weight CMU inner wythe toothed into existing wall, bituminous damproofing at exterior face of inner wythe, and 4 inch normal weight outer wythe with cementitious coating matching existing wall color. Provide withes with masonry joint reinforcing.”

Article 1-10, Sheet A2.1

A, South Elevation: Change W4 designation to W3.

B. North Elevation – Add W3 aluminum window designations to windows located between column grids 7 and 9.

Article 1-11, Sheet A3.1

A, Sections 1 and 2: Shall be revised as follows:

1. Show partition above door 28 to extend to roof deck above.

2. Change top of aluminum curtainwall frame elevation to 112’-0”

B. Detail 5 B/Furring: Shall be revised as follows:

1. Change keynote 072100-2 (3”) to read “072100-3 (R-13).

2. Change Polyethylene vapor barriers to read “weather barrier at face of existing liner panel”.

C. Detail 4 Mezz. Wall: Shall be revised as follows:

1. Revise keynote 042000-3 (8”) to read “042000-3 (6”)”.

2. Revise 6” floor thickness dimension to read “3 1/2”. Height of masonry wall dimension shall be revised to read “3’-6 ½”.”

3. Revise Keynote 064023-1 to read “064023-16”.

Article 1-12, Sheet A3.2

A, Sections 1 and 2: Revise metal locker references to read “L1a”.

Article 1-13, Sheet A5.1

A, Glass Schedule shall be revised as follows:

1. Delete glass types 3, 5, 5a, 6, and 7.

2. Revise Type 2 B) to read “1/4” laminated”.

3. Change Type 3 to read “Spandrel Glass”.

B. Door Types shall be revised as follows:

1. Delete type HG,

2. At Type NG, Add Type w glazing designation at exterior locations.

C. Steel Frames: Type S2 shall be revised to add Glazing Type 1 designation at sidelites.

D. Window Types: Shall be revised as follows:

1. W1: Add type 2 glazing mark at all glass lites.

2. W2: Add type 2 glazing mark at all glass lites.

3. W3: Add type 2 glazing mark at all glass lites. Add not “Typical, Type 3 where noted on building elevations.”

E. Curtainwall Schedule: Delete. Refer to frame elevations for dimensional requirements.

F. Aluminum storefront and curtainwall details: Refer to typical details to be added to sheet A5.1, attached to the end of this amendment.

G. Door Schedule: Shall be revised to note door 2a as follows: Door Material – wood, Door type – NG, Frame Material – Steel, Frame Type- S1.

Article 1-14, Sheet A6.1

A, Reflected Ceiling Plan Notes: Delete reference to detail 5A6.1 from note C1.

B. Detail 2A6.1: Shall be revised to change keynote 095113-3 to read “095113-3, Extruded aluminum perimeter edging. Ref. Spec.”

C. Detail 3A6.1: Shall be revised as follows:

1. Revise finish ceiling elevation reference notation to read “ Finish ceiling elevation - as noted on reflected ceiling plan.”

2. Revise soffit elevation reference notation to read ”B/Soffit – as noted on reflected ceiling plan.”

Article 1-15, Sheet FE1.1

A, L1 Locker Type: Revise type designations to read:

“L1

a) 18w x 16d 72h.

b) 12w x 14d x 72h”

B. Fixed Equipment Notes: Shall be revised as follows:

1. H.: Revise “Black splash” to read “Back splash”.

2. Notes I, J, K, L, and N shall be deleted.

C. Casework Details 3 & 4: Shall be revised to change keynote reference 064023-15, -6 to read “064023-15, 16 back and side splashes”.

Article 1-16, General MEP

A. All references to “ALTERNATE BID #1” shall be included with the alternate bid requirements indicated on the architectural plans as “PHASE II”. Note that the building area designated as “PHASE II” in the architectural drawings does not apply to the MEP drawings.

Article 1-17, Sheet ME1.3

A. The owner will remove the existing paint booth and the existing exhaust hood in the metal building prior to construction. The contractor shall be responsible to remove the exhaust fans in each location and repair the roof curbs as required.

Article 1-18, Sheet ME3.1

A. MAIN FLOOR PLAN: Shall be revised as follows:

1. The control valve for V-01 shall be a 3-way control valve with reference to detail 8/M4.1.

2. Add a stop valve, a union, an automatic flow control valve and a manual air valve to the hot water return branch line serving FT-1, FT-2, FT-3 and FT-4.

3. Add a stop valve, a union and a strainer to the hot water supply branch line serving FT-1, FT-2,FT-3 and FT-4.

B. PARTIAL MAIN FLOOR PLAN: Shall be revised as follows:

1. Add a stop valve, a union, a gauge cock, an automatic flow control valve and a manual air vent to the hot water return branch line serving AHU-1 and UH-2.

2. Add a stop valve, a gauge cock, a strainer and a union to the hot water supply branch line serving AHU-1 and UH-2.

Article 1-19, Specification section 221116

A. PLUMBING PIPING MATERIAL SCHEDULE: Shall be revised as follows:

1. Hot Water (Hydronic) 2-1/2” – 4” Fittings shall be Type “MJ” in lieu of “V”.

2. Add the following row:

Soil & Waste Above Grade

1-1/2"-

6" NH SV -- A-74 CI CI NH -- 75 10'

1/2 hr.

END OF AMENDMENT ONE

Building #636 – Sustainment Repairs August 15, 2011

WEATHER BARRIERS 072500 - 1

SECTION 072500 - WEATHER BARRIERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Building wrap.

2. Flexible flashing.

3. Seaming Tape.

B. Related Requirements:

1. Section 072713 "Modified Bituminous Sheet Air Barriers" for sheet air barrier applied at wall openings and between top and bottom of walls and adjacent surfaces.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. For building wrap, include data on air and water-vapor permeance based on testing according to referenced standards.

1.4 INFORMATIONAL SUBMITTALS

A. Evaluation Reports: For water-resistive barrier and flexible flashing, from ICC-ES.

PART 2 - PRODUCTS

2.1 WATER-RESISTIVE BARRIER

A. Building Wrap: ASTM E 1677, Type I air barrier; with flame-spread and smoke-developed indexes of less than 25 and 450, respectively, when tested according to ASTM E 84; UV stabilized; and acceptable to authorities having jurisdiction.

1. Products: Subject to compliance with requirements, provide the following:

WEATHER BARRIERS 072500 - 2

a. DuPont (E. I. du Pont de Nemours and Company); Tyvek ThermaWrap.

2. Water-Vapor Permeance: Not less than 250 g through 1 sq. m of surface in 24 hours per

ASTM E 96/E 96B.

3. Air Permeance: Not more than 0.001 cfm/sq. ft. at 1.57 psf when tested according to

ASTM E 2178.

4. Allowable UV Exposure Time: Not less than four months.

B. Building-Wrap Tape: Pressure-sensitive plastic tape recommended by building-wrap manufacturer for sealing joints and penetrations in building wrap.

2.2 MISCELLANEOUS MATERIALS

A. Flexible Flashing: Composite, self-adhesive, flashing product consisting of a pliable, butyl rubber compound, bonded to a high-density polyethylene film, aluminum foil, or spunbonded polyolefin to produce an overall thickness of not less than 20 mil.

1. Products: Subject to compliance with requirements, [provide the following] [provide one of the following] [available products that may be incorporated into the Work include, but are not limited to, the following]:

a. DuPont (E. I. du Pont de Nemours and Company); DuPont Flashing Tape.

b. Grace Construction Products, a unit of W. R. Grace & Co. - Conn.; Vycor Butyl Self

Adhered Flashing.

c. Protecto Wrap Company; BT-25 XL.

B. Primer for Flexible Flashing: Product recommended by manufacturer of flexible flashing for substrate.

C. Fasteners: Cap Screws, as manufactured by DuPont: 1-5/8 inch rust resistant screw with 2-inch diameter plastic cap fasteners

PART 3 - EXECUTION

3.1 WATER-RESISTIVE BARRIER INSTALLATION

A. Cover exposed interior surface of pre-engineered metal building wall with water-resistive barrier securely fastened to interior liner panel, or wall framing where liner panels do not occur at gables.

B. Building Wrap: Comply with manufacturer's written instructions.

1. Seal seams, edges, fasteners, and penetrations with tape.

2. Extend into jambs of openings and seal corners with tape.

WEATHER BARRIERS 072500 - 3

3.2 FLEXIBLE FLASHING INSTALLATION

A. Apply flexible flashing where indicated to comply with manufacturer's written instructions.

1. Prime substrates as recommended by flashing manufacturer.

2. Lap seams and junctures with other materials at least 4 inches (100 mm) except that at flashing flanges of other construction, laps need not exceed flange width.

3. Lap flashing over water-resistive barrier at bottom and sides of openings.

4. Lap water-resistive barrier over flashing at heads of openings.

5. After flashing has been applied, roll surfaces with a hard rubber or metal roller to ensure that flashing is completely adhered to substrates.

END OF SECTION 072500