BFDF Addendum 01.pdf

ADDENDUM NO. 01

TO

CONTRACT DOCUMENTS AND SPECIFICATIONS

FOR

Buffalo Federal Detention Facility, Batavia, NY Contract W9326G-07-D-0030

Task Order DN02 P2# 345435

DATE OF ISSUE: 12 August 2011

TO: PROSPECTIVE BIDDERS AND OTHER INTERESTED PARTIES

THE CONTRACT DOCUMENTS AND SPECIFICATIONS, INCLUDING THE CONTRACT

DRAWINGS, ARE HEREBY MODIFIED BY THE FOLLOWING ITEMS:

MODIFICATIONS TO SPECIFICATIONS

AD-1 Item 1 SECTION 04 20 00 - MASONRY

A. Par. 2.3.2.1 -

1. REVISE first sentence to read as follows: “Split-face masonry units (SPCMU) and ground face masonry units (GFMU) shall have patterned face shell.”

B. Par. 2.3.2.1 -

1. ADD sentence to read as follows: “Colors for Split-face masonry units (SPCMU) to match color of field block at existing building and ground face masonry units (GFMU) to match existing accent band.”

C. Par. 2.9.2 -

1. ADD the following Paragraph:

“Masonry Cavity Anchor (as referenced in drawings) and applicable to all cavity wall configurations inclusive to this project. Basis of design shall be No. 77 Wing Nut Pos-I-Tie Pintle Wire Tie by Heckman. Masonry Cavity Anchors for this project shall meet the following criteria as a minimum to be considered as equal:

Addendum No. 01 Buffalo Federal Detention Facility, Batavia, NY Date of Issue: 12 August 2011 Page 2 of 5

Anchor assembly shall consist of co-polymer coated one piece carbon steel screw factory assembled to a type 304 stainless steel barrel with galvanized zinc alloy wing nut and metal backed neoprene washer. Barrel anchor overall length shall be selected to suit wall construction and have a minimum 1-1/2” embedment into masonry back up wall. Do not crush cavity insulation. Pintle wire shall be rectangular shaped two leg 3/16” diameter, stainless steel conforming to ASTM A580 Type 304, sized in overall length to suit application. Wire tie embedment into exterior wythe shall be a minimum of 1-1/2” into mortar bed measured from inside face of outer wythe, with a minimum mortar cover of 5/8”.

D. Par. 2.17 -

1. ADD Par. “2.17 STEEL BLOCK

Provide 6- and 8-inch units manufactured with 1/4-inch steel faceplates and 10-gage steel webs. Provide 3-3/4-inch square hole for grout flow between cells and completely fill the cores. Prime coat.”

AD-1 Item 2 SECTION 06 61 16 – SOLID POLYMER (SOLID SURFACING) FABRICATIONS

A. DELETE Par. 2.3.7 entitled “Toilet/Shower Partition System”.

AD-1 Item 3 SECTION 07 27 26 – FLUID-APPLIED AIR BARRIER - VAPOR RESISTIVE

A. ADD Specification Section. (referenced in wall sections and details as “Spray Applied Vapor Barrier”)

AD-1 Item 4 SECTION 07 92 00 – JOINT SEALANTS

A. REVISE Par. 2.7.2 and Par. 2.7.3 – REVISE text “10 Feet” to “10 Feet above floor below”.

AD-1 Item 5 SECTION 08 56 63 – DETENTION AND SECURITY WINDOWS

A. CLARIFY Par. 2.1.3 – Grade 2 or Grade 3 Bars are acceptable.

B. ADD Par. 2.4.1

“ Glazing: Outer Glazing (in Aluminum Frame) Insulating Glass Unit (IGU) as specified in 08 81 00. Inner Glazing is Type D5 as specified in 08 88 53.

AD-1 Item 6 SECTION 10 56 13 – STEEL SHELVING

A. Par. 1.2 – CLARIFICATION – Shelving sizes noted in 1.2 are general guidelines. Actual shelving sizes are noted in PART 2 PRODUCTS and on the Drawings.

B. REVISE Par. 2.2 – REVISE text from “FOUR POST” to “CASE”. Paragraph label will read as:

“2.2 SHELVING TYPE A - CASE TYPE METAL SHELVING”

C. Par. 2.2.B.1.c - REVISE to Read “Available in nominal single-faced 9 (or 12) inches or double-faced depths of 18 (or 24) inches as shown on drawings and as selected by Facility through Contracting Officer).”

D. Par. 2.2.J, 2.2.K, 2.3.G and 2.3.H ADD sentence “Shelves must be “universally slotted” to accept file dividers and/or bin dividers and/or rod dividers in order to be able to address future storage needs.”

Date of Issue: 12 August 2011 Page 3 of 5

E. Par. 2.2.L and 2.3.F

Shelf Supports: Form from heavy gauge steel sheet with four solid steel shoulder rivets- Hollow rivets not acceptable

F. Par. 2.3.F.1

“Back to back uprights must be bolted in two locations with ¼” diameter bolts at approximately 100” and 152” from the floor.”

AD-1 Item 7 SECTION 12 55 00 – DETENTION FURNITURE AND ACCESSORIES

A. Par. 1.2, SD-02- ADD “Resilient Cell Padding; G”

B. ADD Par. 2.2.

“2.2. Resilient Cell Padding - Completely seamless, resilient self adhering polymeric composition. Apply to provide a smooth and uniform scuff resistant surface. Materials to contain fire retardant additives which meet or exceed ASTM-E84 for flame spread classification of 25, smoke density rating of 178, and fuel contribution of 20.”

C. ADD Par. 3.1.3.

“3.1.3 Resilient Cell Padding Install in accord with manufacturer's recommendations. Provide minimum 1/2 IN thick padding applied to 1/2 IN fire retardant plywood.

Installation of padding shall include covering of doors and door frames where wall applications are required. Floor installation only: Include provisions for proper installation at floor drains where they occur. Refer to drawings details and Room Finish Schedule for areas padding is required.”

AD-1 Item 8 SECTION 13 34 19 – METAL BUILDING SYSTEMS

A. ADD Par. 1.5.1 The Contracting Officer and Contractor will hold a pre-submittal meeting with Construction field personnel, Contractor, metal building supplier and Engineering Division representatives to discuss the specifications and submittal requirements.

Date of Issue: 12 August 2011 Page 4 of 5

MODIFICATIONS TO DRAWINGS

AD-1 Item 9 DRAWING 1/C-141, WAREHOUSE SITE UTILITY PLAN – ENLARGEMENT 1

A. CORRECTION to note: Trench drain detail is on sheet 5/C-304. There is no sheet C-311 in the bid documents.

AD-1 Item 10 DRAWING 1/C-151, WAREHOUSE SOIL EROSION AND SEDIMENT CONTROL

PLAN

A. REVISE: See attached revised partial plan which includes gabion protection at stabilized entrance from detention.

B. ADD: Note to “Legend” for Fiber Roll requirements:

Tested and passing ASTM D6459 with the following properties:

• Minimum mass per unit area: ASTM D6475 of 8 oz/sq yd

• Minimum thickness: ASTM D6525 of 0.25 in

• Minimum initial grab tensile strength: ASTM D6818 of 75 x 75 lb/ft

AD-1 Item 11 DRAWING 6/C-301, DETAILS (Detail 6 – Stabilized Gravel Pavement)

A. REVISE: Detail as shown in attachment.

AD-1 Item 12 DRAWING 1/A-101, AREA 9 – FIRST FLOOR PLAN SPECIAL HOUSING UNTI –

POD 4.

A. ADD the following tag:

Window at Exam Room S-130 at the SHU expansion to be type “H”

AD-1 Item 13 DRAWING 1/A-102a, AREA 2 – FLOOR PLAN MEDICAL SERVICES & AREA 4

FLOOR PLAN MULTI-PURPOSE.

A. REVISE the following tag:

“Window at Infirmary Room P118 should be type “H” as shown on interior elevation 14/A-452 and enlarged floor plan 7/A-401.”

AD-1 Item 14 DRAWING 1/A-102A, DIMENSION PLAN AREA 2 – FLOOR PLAN MEDICAL

SERVICES & AREA 4 FLOOR PLAN MULTI-PURPOSE AREAS.

“Window at Vestibule P-100 should type “G” as shown on 1/A-401.”

AD-1 Item 15 DRAWING 3/A-401, ENLARGED FLOOR PLANS MEDICAL SERVICES AREA.

Enlarged Floor Plan 3/A-401 at Break Rooms P-126 - Revise Tag “TA-028” to read “Q- 028” (Refrigerator (Government furnished, Contractor Install)).

AD-1 Item 16 DRAWING 7/A-452, INTERIOR ELEVATIONS - MEDICAL.

Breakroom Medical - Elevation 7/A-452 Break Rooms W-106 - Revise Tag “TA-028” to read “Q-028” (Refrigerator (Government furnished, Contractor Install)).

AD-1 Item 17 DRAWING A-601, ROOM FINISH PLAN LEGEND.

A. Room Finish Schedule, # 35 Ceramic Wall Tile REVISE to read:

Date of Issue: 12 August 2011 Page 5 of 5

“4 1/4" x 4 1/4" Bright and Matte. The corresponding numbers are 0012 Gloss Almond and 0038 Gloss Mushroom.”

AD-1 Item 18 DRAWING A-606, DOOR, FRAME & WINDOW TYPES

A. 7/A-606: ADD note: “Glazing type D5.”

B. 8/A-606: ADD note: “Glazing type D5.”

C. 9/A-606: ADD note: “Glazing type IGU.”

D. 12/A-606: ADD note: “Glazing type TG.”

AD-1 Item 19 DRAWING 1/A-704, PLUMBING DETAILS

A. ADD the following note:

“The dimension between Top of CMU wall and bottom deck condition shall be ¾” max.”

AD-1 Item 20 DRAWING 2/P-501, PLUMBING DETAILS

A. ADD the following note:

"Provide isolation joint between cleanout and concrete."

AD-1 Item 21 DRAWING P-503, AREA 10 – PLUMBING ISOMETRIC WAREHOUSE

A. REVISE the following note:

“The natural gas load for AHU-10.2 is shown as “1-1/4” NAT. GAS 210 MBH” and should be called out as 1-1/4” NAT. GAS 260 MBH.”

AD-1 Item 22 DRAWING PP-106, AREA 2/4 – PLUMBING FIRST FLOOR PLAN

MULTIPURPOSE AND MEDICAL SERVICES

A. REVISE the following notes:

“The natural gas load for AHU-2.1 is shown as “1” NAT. GAS 170 MBH” and should be called out as 1” NAT. GAS 150 MBH.”

“The natural gas load for AHU-4.1 is shown as “1” NAT. GAS 151 MBH” and should be called out as 1” NAT. GAS 75 MBH.”

ALL ITEMS IN CONFLICT WITH THE ADDENDA ARE HEREBY DELETED.

THIS ADDENDUM IS MADE PART OF THE CONTRACT DOCUMENTS AND SHALL BE NOTED

ON THE PROPOSAL.

Attachments Incorporated into Addendum:

• Specification Section 07 27 26

• Partial Drawing 6/C-301

• Partial Drawing C-151

HDR ARCHITECTURE, INC.

Terry D. Littell

07 27 26 - 1

SECTION 07 27 26

FLUID-APPLIED AIR BARRIER - VAPOR RESISTIVE

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish all labor, materials, tools, equipment, and services for Fluid-applied Air Barrier - Vapor Resistive, as indicated, in accordance with provisions of Contract Documents.

B. Completely coordinate with work of other trades.

1.2 REFERENCES

A. ASTM Standards:

1. ASTM C836, Standard Specification for High Solids, Cold Liquid-Applied Elastomeric

Waterproofing Membrane for Use with Separate Wearing Course.

2. ASTM C920 Specifications for Elastomeric Joint Sealants.

3. ASTM C1193 Guide for Use of Joint Sealants.

4. ASTM D412, Standard Test Methods for Rubber Properties in Tension.

5. ASTM D903, Standard Test Method for Peel or Stripping Strength of Adhesive Bonds.

6. ASTM D3767, Standard Practice for Rubber - Measurements of Dimensions.

7. ASTM D4541, Standard Test Method for Pull-Off Strength of Coatings Using Portable

Adhesion Testers.

8. ASTM E96, Test Methods for Water Vapor Transmission of Materials.

9. ASTM E283, Standard Test Method for Determining Rate of Air Leakage Through Exterior

Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across Specimen.

10. ASTM E2178, Standard Test Method for Air Permeance of Building Materials.

11. ASTM E2357, Standard Test Method for Determining Air Leakage of Air Barrier

Assemblies.

1.3 QUALITY ASSURANCE

A. Manufacturer: Air and vapor barrier systems shall be manufactured by firm with minimum of 20 years of experience in production of waterproofing.

B. Applicator: Experienced in application of air barrier materials similar in material, design complexity, and extent to those indicated for this Project, with a record of timely and successful in-service performance.

C. Material Performance Requirements: Air and vapor barrier membrane and auxiliary materials shall be tested to comply as follows:

1. Air Permeance: Not greater than 0.02L/s/m2 at 75 Pa 0.004 CFM/SF 0.3 water pressure differential, as tested in accordance with ASTM E2178.

2. Vapor Permeance: Not greater than 4.6 ng/Pa.s.m2 0.08 Perm when tested in accordance with ASTM E96.

D. Assembly Performance: Continuous air and vapor barrier assembly shall provide the following property as demonstrated by laboratory testing:

1. Not greater than 0.004 L/s/m2 at 75 Pa 0.0008 CFM/SF 0.3 water pressure differential, as tested in accordance with ASTM E2357.

E. Air barrier shall be joined in an airtight and flexible manner to air barrier material of adjacent systems, allowing for relative movement of systems due to thermal and moisture variations and creep. Connection shall be made between:

1. Foundation and walls.

2. Walls and windows or doors.

3. Different wall systems.

07 27 26 - 2

4. Wall and roof.

5. Wall and roof over unconditioned space.

6. Walls, floors and roof across construction, control and expansion joints.

7. Walls, floors and roof to utility, pipe and duct penetrations.

1.4 PRE-INSTALLATION CONFERENCE

A. Conduct pre-installation conference prior to commencement of field operations to establish procedures to maintain optimum working conditions and to coordinate this work with related and adjacent work.

B. Pre-installation conference shall include Contractor, installer and system manufacturer’s field representative.

C. Agenda for conference shall include but not be limited to following:

1. Review submittals.

2. Review surface preparation, minimum curing period and installation procedures.

3. Review special details and flashings.

4. Sequence of construction, responsibilities and schedule for subsequent operations.

5. Review mock-up requirements.

6. Review inspection, testing, protection and repair procedures.

1.5 SUBMITTALS

A. Shop Drawings:

1. Show locations and extent of air barrier. Include details for substrate joints and cracks, counterflashing strip, penetrations, inside and outside corners, terminations, and tie-ins with adjoining construction.

B. Product Data: Manufacturer’s literature indicating product compliance with specification.

C. Project Information:

1. Written documentation demonstrating applicator’s qualifications.

2. Minutes of Pre-installation Conference.

D. Contract Closeout Information:

1. Manufacturer’s Warranty.

2. Applicator’s Warranty.

1.6 WARRANTY

A. Manufacturer standard five (5) year warranty that air and vapor barrier and accessories are free of defects at time of delivery, and are manufactured to meet manufacturer’s published physical properties and material specifications.

B. Installer to warrant that air and vapor barrier and accessories have been installed in accord with manufacturer’s recommendations, and that all components used in this section have been sourced from one manufacturer.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Acceptable Manufacturers:

1. Fluid-applied Air Barrier - Vapor Resistive:

1) Grace Construction Products.

2) Carlisle Coatings and Waterproofing Incorporated.

3) Henry.

4) Tremco.

5) W.R. Meadows.

07 27 26 - 3

2.2 SYSTEM COMPONENTS

A. Provide primary materials of one manufacturer for each component required for work.

B. Base Product: Grace Construction Products, Perm-A-Barrier Liquid or approved equivalent from manufacturers listed in par. 2.1.1.

C. Fluid Applied Membrane: Two part, self-curing, synthetic rubber based material free of solvents, isocyanates and bitumen.

D. Transition Mastic: Bituthene Liquid Membrane mastic.

E. Flexible Membrane wall flashing: Self-adhesive rubberized asphalt bonded to polyethylene film.

F. Water-based primer: High tack water based primer, for use with self-adhered membranes and tapes.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with installer for compliance with requirements and other conditions affecting performance as prescribed by system manufacturer.

B. Notify contractor in writing of circumstances detrimental to proper completion of work.

3.2 PREPARATION

A. Refer to manufacturer’s literature for requirements for preparation of substrates.

1. Surfaces shall be sound and free of voids, spalled areas, loose aggregate and sharp protrusions.

2. Remove deleterious contaminants from exposed surfaces.

3. Use repair materials and methods that are acceptable to manufacturer.

B. Proceed with installation only when substrate construction and preparation work is complete and in condition to receive air and vapor barrier membrane.

3.3 INSTALLATION

A. Refer to manufacturer’s literature for directions for installation.

B. Perform work only when existing and forecast weather conditions are within limits established by manufacturer.

C. Exterior sheathing panels:

1. Pre-treat joints with reinforced self-adhesive tape or mesh style wallboard tape.

2. Caulk gaps greater than 6 mm 1/4 IN.

D. Masonry Substrates:

1. Apply air and vapor barrier over concrete block and brick with smooth trowel-cut mortar joints.

2. Fill voids, holes and mortar joints, with lean mortar mix, non-shrinking grout or parge coat.

E. Fluid Applied Membrane:

1. Spray or trowel apply continuous uniform film using multiple, overlapping passes to ensure even thickness and coverage.

2. Carry membrane into openings minimum 80mm 3 IN.

3. Seal brick-ties and penetrations as work progresses.

F. Transition Membrane:

1. Install mastic at terminations, substrate transitions, penetrations and overlaps according to manufacturer’s standard details.

2. Overlap fluid applied membrane onto each surface at beams, columns and joints.

07 27 26 - 4

3. Tie in to window and door frames, spandrel panels, roof and floor intersections, and changes in substrate.

4. Seal top edge of flashing with termination mastic.

G. Flexible Membrane Through Wall Flashing:

1. Fully adhere flashing to substrate.

2. Overlap adjacent pieces and roll seams.

3. Trim bottom edge 13 mm 1/2 IN back from exposed face of wall.

4. Turn up ends minimum of 50 mm 2 IN at heads, sills and flashing terminations. Fold to form an end dam and seal seams.

5. Seal top edge of flashing with termination mastic.

3.4 FIELD QUALITY CONTROL

A. Mock-up:

1. Construct typical exterior wall section, incorporating back-up wall, cladding, window, door frame and sill, insulation, flashing and other critical junctions.

2. Allow adequate time to inspect and test mock-up before proceeding with work.

3. If deficiencies are found, reconstruct mock-up until satisfactory test results are obtained.

4. Implement improved installation procedures for completing balance of Air Barrier.

3.5 PROTECTION AND CLEANING

A. Schedule work to ensure that system is covered as soon as practicable.

1. Protect system from damage during subsequent operations.

B. Protect air barrier from exposure to UV light and harmful weather exposure as required by manufacturer. Apply temporary UV protection if system cannot be covered within 45 days after installation. Remove and replace air barrier exposed for more than 60 days.

C. Clean spills, stains, and soiling from construction that would be exposed in completed work as recommended by manufacturer of affected construction.

D. Remove masking materials after installation.

END OF SECTION

tlittell Text Box Partial Soil and Erosion Plan C-151 Addendum 1 tlittell Text Box Revised Detail 6/C-301 Addendum 1