W912DS-19-B-0008_Specs_Book_1_of_4.pdf

U.S. Army Corps of Engineers

New York District

DESIGN SPECIFICATIONS

West Point, New York CBUP Bradley Barracks, Building #756

FY 19 PN 81723

June 14, 2019

100% Final Design Submission

Specifications (1 of 4):

Division 00 Division 01 Division 02 Division 03

Contract #: W912DS17D0007

Task Order #: W 9 1 2 – D S – 1 7 – F 0 0 6 2

UNCLASSIFIED / FOUO

West Point, New York Contract #W912DS17D0007 CBUP Bradley Barracks, Building #756 T.O. #W192-DS-17-F0062

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 00 01 COVER SHEET

00 00 02 CHECK LIST FOR BIDDERS

00 10 00 SF 1442 AND BIDDING SCHEDULE

00 21 16 INSTRUCTIONS, CONDITIONS, AND NOTICE TO BIDDERS

00 22 20 PROPOSAL SUBMISSION REQUIREMENTS AND INSTRUCTIONS

00 24 00 EVALUATION FACTORS FOR AWARD

00 72 00 CONTRACT CLAUSES

00 75 95 ROOF SYSTEM 20-YEAR DIAGNOSTICS / PERFORMANCE WARRANTY

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 14 00 WORK RESTRICTIONS

01 22 00.00 10 PRICE AND PAYMENT PROCEDURES

01 30 00 ADMINISTRATIVE REQUIREMENTS

01 32 01.00 10 PROJECT SCHEDULE

01 32 33 PHOTOGRAPHIC DOCUMENTATION

01 33 00 SUBMITTAL PROCEDURES

01 33 29 SUSTAINABILITY REPORTING

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 35 91 HISTORIC TREATMENT PROCEDURES

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.00 10 QUALITY CONTROL

01 45 00.15 10 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 45 20.00 18 TESTING FOR MECHANICAL AND ELECTRICAL SYSTEMS

01 45 35 SPECIAL INSPECTIONS

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 58 00 PROJECT IDENTIFICATION

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 00 CLOSEOUT SUBMITTALS (WEST POINT)

01 78 23 OPERATION AND MAINTENANCE DATA

01 78 24.00 10 FACILITY DATA REQUIREMENTS

01 91 00.15 TOTAL BUILDING COMMISSIONING

DIVISION 02 - EXISTING CONDITIONS

02 41 00 DEMOLITION

02 81 00 TRANSPORTATION AND DISPOSAL OF HAZARDOUS MATERIALS

02 82 00 ASBESTOS REMEDIATION

02 83 00 LEAD REMEDIATION

02 84 16 HANDLING OF LIGHTING BALLASTS AND LAMPS CONTAINING PCBs

AND MERCURY

02 84 33 REMOVAL AND DISPOSAL OF POLYCHLORINATED BIPHENYLS (PCBs)

02 85 00 MOLD REMEDIATION

DIVISION 03 - CONCRETE

03 01 00 REHABILITATION OF CONCRETE

03 11 13.00 10 STRUCTURAL CAST-IN-PLACE CONCRETE FORMING

03 15 00.00 10 CONCRETE ACCESSORIES

03 20 00.00 10 CONCRETE REINFORCING

03 30 00 CAST-IN-PLACE CONCRETE

03 35 00.00 10 CONCRETE FINISHING

03 39 00.00 10 CONCRETE CURING

PROJECT TABLE OF CONTENTS Page 1 Project No. 20180320 100% Final Design Submission June 14, 2019

03 42 13.00 10 PLANT-PRECAST CONCRETE PRODUCTS FOR BELOW GRADE

CONSTRUCTION

DIVISION 04 - MASONRY

04 03 00 CONSERVATION TREATMENT FOR PERIOD MASONRY

04 20 00 UNIT MASONRY

DIVISION 05 - METALS

05 05 23.16 STRUCTURAL WELDING

05 12 00 STRUCTURAL STEEL

05 30 00 STEEL DECKS

05 40 00 COLD-FORMED METAL FRAMING

05 50 13 MISCELLANEOUS METAL FABRICATIONS

05 51 00 METAL STAIRS

05 52 00 METAL RAILINGS

05 72 00 DECORATIVE METAL RESTORATION

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 ROUGH CARPENTRY

06 20 00 FINISH CARPENTRY

06 61 16 SOLID SURFACING FABRICATIONS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS

07 11 13 BITUMINOUS DAMPPROOFING

07 13 53 ELASTOMERIC SHEET WATERPROOFING

07 14 00 FLUID-APPLIED WATERPROOFING

07 17 00 BENTONITE WATERPROOFING

07 21 13 BOARD (TYP.) INSULATION

07 21 16 MINERAL FIBER BLANKET INSULATION

07 22 00 ROOF AND TRAFFIC DECK INSULATION

07 24 00 EXTERIOR INSULATION AND FINISH SYSTEMS

07 27 10.00 10 BUILDING AIR BARRIER SYSTEM

07 27 26 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 27 36 SPRAY FOAM AIR BARRIERS

07 42 13 METAL WALL PANELS

07 52 00 MODIFIED BITUMINOUS MEMBRANE ROOFING

07 60 00 FLASHING AND SHEET METAL

07 62 13 COPPER SHEET METAL FLASHING AND TRIM

07 81 00 SPRAY-APPLIED FIREPROOFING

07 84 00 FIRESTOPPING

07 92 00 JOINT SEALANTS

DIVISION 08 - OPENINGS

08 11 13 STEEL DOORS AND FRAMES

08 14 00 WOOD DOORS

08 51 13 ALUMINUM WINDOWS

08 71 00 DOOR HARDWARE

08 81 00 GLAZING

08 91 00 METAL WALL LOUVERS

DIVISION 09 - FINISHES

09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD

PROJECT TABLE OF CONTENTS Page 2

09 22 36 LATH

09 23 00 GYPSUM PLASTERING

09 29 00 GYPSUM BOARD

09 30 10 CERAMIC, QUARRY, AND GLASS TILING

09 51 00 ACOUSTICAL CEILINGS

09 62 38 STATIC-CONTROL FLOORING

09 66 16 TERRAZZO FLOOR TILE

09 66 23 RESINOUS MATRIX TERRAZZO FLOORING

09 67 23.13 STANDARD RESINOUS FLOORING

09 68 00 CARPETING

09 90 00 PAINTS AND COATINGS

09 96 00 HIGH-PERFORMANCE COATINGS

DIVISION 10 - SPECIALTIES

10 11 00 VISUAL DISPLAY UNITS

10 14 00.20 INTERIOR SIGNAGE

10 21 13 TOILET COMPARTMENTS AND SOLID PHENOLIC CASEWORK

10 26 00 WALL AND DOOR PROTECTION

10 28 13 TOILET ACCESSORIES

10 44 16 FIRE EXTINGUISHERS

10 51 13 METAL LOCKERS

10 56 13 STEEL SHELVING

DIVISION 12 - FURNISHINGS

12 21 00 WINDOW BLINDS

12 48 13 ENTRANCE FLOOR MATS AND FRAMES

DIVISION 14 - CONVEYING EQUIPMENT

14 24 23 HYDRAULIC PASSENGER ELEVATORS

DIVISION 21 - FIRE SUPPRESSION

21 12 00 STANDPIPE SYSTEMS

21 13 13.00 10 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION

21 30 00 FIRE PUMPS

DIVISION 22 - PLUMBING

22 00 00 PLUMBING, GENERAL PURPOSE

22 07 19.00 40 PLUMBING PIPING INSULATION

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS

23 01 30.41 HVAC SYSTEM CLEANING

23 05 15 COMMON PIPING FOR HVAC

23 05 48.19 BRACING FOR HVAC

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS

23 09 00 INSTRUMENTATION AND CONTROL FOR HVAC

23 09 13 INSTRUMENTATION AND CONTROL DEVICES FOR HVAC

23 09 23.01 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER

BUILDING CONTROL SYSTEMS

23 21 23 HYDRONIC PUMPS

23 25 00 CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS

23 57 10.00 10 FORCED HOT WATER HEATING SYSTEMS USING WATER AND STEAM

PROJECT TABLE OF CONTENTS Page 3

HEAT EXCHANGERS

23 64 10 WATER CHILLERS, VAPOR COMPRESSION TYPE

23 81 00 DECENTRALIZED UNITARY HVAC EQUIPMENT

DIVISION 25 - INTEGRATED AUTOMATION

25 08 10 UTILITY MONITORING AND CONTROL SYSTEM TESTING

25 10 10 UTILITY MONITORING AND CONTROL SYSTEM (UMCS) FRONT END

AND INTEGRATION

DIVISION 26 - ELECTRICAL

26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS

26 08 00 APPARATUS INSPECTION AND TESTING

26 09 13 POWER MONITORING SYSTEM

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 24 13 SWITCHBOARDS

26 28 01.00 10 COORDINATED POWER SYSTEM PROTECTION

26 29 23 VARIABLE FREQUENCY DRIVE SYSTEMS UNDER 600 VOLTS

26 41 00 LIGHTNING PROTECTION SYSTEM

26 51 00 INTERIOR LIGHTING

26 56 00 EXTERIOR LIGHTING

26 56 10 HISTORIC EXTERIOR LIGHTING RESTORATION

DIVISION 27 - COMMUNICATIONS

27 05 14.00 10 CABLE TELEVISION PREMISES DISTRIBUTION SYSTEM

27 05 28.36 40 CABLE TRAYS FOR COMMUNICATIONS SYSTEMS

27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM

27 51 16 RADIO AND PUBLIC ADDRESS SYSTEMS

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 05 26.00 40 GROUNDING AND BONDING FOR ELECTRONIC SAFETY AND SECURITY

28 08 10 ELECTRONIC SECURITY SYSTEM ACCEPTANCE TESTING

28 10 05 ELECTRONIC SECURITY SYSTEMS (ESS)

28 31 76 INTERIOR FIRE ALARM AND MASS NOTIFICATION SYSTEM

DIVISION 31 - EARTHWORK

31 00 00 EARTHWORK

31 05 19 GEOTEXTILE

31 11 00 CLEARING AND GRUBBING

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 05 33 LANDSCAPE ESTABLISHMENT

32 11 23 AGGREGATE BASE COURSES

32 12 13 BITUMINOUS TACK AND PRIME COATS

32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS

32 13 16.23 STAMPED CONCRETE PAVING

32 16 19 CONCRETE CURBS, GUTTERS AND SIDEWALKS

32 17 23 PAVEMENT MARKINGS

32 31 13 CHAIN LINK FENCES AND GATES

32 93 00 EXTERIOR PLANTS

DIVISION 33 - UTILITIES

33 01 30.16 TV INSPECTION OF SEWER PIPELINES

PROJECT TABLE OF CONTENTS Page 4

33 01 30.72 RELINING SEWERS

33 11 00 WATER UTILITY DISTRIBUTION PIPING

33 30 00 SANITARY SEWERAGE

33 40 00 STORM DRAINAGE UTILITIES

33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

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SECTION 00 00 01

COVER SHEET

01/18

PART 1 GENERAL

NEW YORK DISTRICT

CORPS OF ENGINEERS

NEW YORK, NEW YORK 10278-0090

INVITATION FOR BIDS

FOR

Bradley Barracks Renovation and Modernization

United States Military Academy West Point, NY

1. Attached is INVITATION FOR BIDS (IFB) NO. W912DS-17-D0007

2. BIDS MUST BE SET FORTH full, accurate, and complete information as required by this Invitation for Bids, including attachments. The penalty for making false statements in bids is prescribed under Title 18, United States Code, Section 1001.

3. SUBMISSION OF BIDS: Complete details concerning proper submission of bids are contained in the INSTRUCTIONS, CONDITIONS, AND NOTICES TO BIDDERS (Section 00 21 16).

4. Note the REQUIREMENT FOR AFFIRMATIVE ACTION of the EQUAL OPPORTUNITY clause as it applies to the contract resulting from this solicitation. (See paragraph NOTICE OF REQUIREMENT FOR AFFIRMATIVE ACTION TO ENSURE EQUAL EMPLOYMENT OPPORTUNITY in Section 00 21 16 of this IFB).

5. REPRESENTATIONS AND CERTIFICATIONS - SECTION 00 45 00 Bidders and Offerors are required to complete the REPRESENTATIONS AND CERTIFICATIONS and submit them with their bids.

Within Section 00 45 00, note in particular the PROHIBITION SEGREGATED FACILITIES. Failure of a bidder or offeror to agree to the certification will render his bid or offer non-responsive to the terms of solicitations involving awards of contracts exceeding $10,000 which are not exempt from the provisions of the Equal Opportunity Clause

(1984 APR).

6. THIS PROJECT IS A MILITARY PROGRAM PROCUREMENT AND IS FUNDED BY THE

DEPARTMENT OF DEFENSE. BUY AMERICAN ACT - CONSTRUCTION MATERIALS (MAY

1993) IN ACCORDANCE WITH FAR 52.225-5 APPLIES.

7. Please review all bonds and accompanying documents required to be submitted. Bonds, Powers of Attorney, statements of authenticity and continuing validity, and all related documents MUST NOT bear computer printer-generated signatures and/or seals. Documents bearing signatures and/or seals generated as part of a document, as opposed to

DOCUMENT 00 00 01 Page 1 being affixed to the document after its generation, will not be accepted. Submission of such documents may render the bid or offer non-responsive and ineligible for award.

PART 2 PRODUCTS

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PART 3 EXECUTION

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SECTION 00 00 02

CHECK LIST FOR BIDDERS

01/18

PART 1 GENERAL

ATTACHED IS IFB NO. W912DS-17-D0007

Bradley Barracks Renovation and Modernization

United States Military Academy West Point, NY

ALL INFORMATION REQUIRED BY THE TERMS OF THIS SOLICITATION MUST BE

FURNISHED. MISTAKES OR OMISSIONS MAY RENDER YOUR OFFER INELIGIBLE FOR

AWARD. IMPORTANT ITEMS FOR YOU TO CHECK ARE INCLUDED IN BUT NOT LIMITED

TO THOSE LISTED BELOW. THIS INFORMATION IS FURNISHED ONLY TO ASSIST YOU

IN SUBMITTING A PROPER BID

____HAVE YOU ACKNOWLEDGED ALL AMENDMENTS?

____HAVE YOU COMPLETED THE "REPRESENTATIONS AND CERTIFICATIONS" (SECTION

00 45 00) PORTION OF THE SOLICITATION?

____IS YOUR DUNS NUMBER LISTED ON THE STANDARD FORM 1442?

____IS YOUR BID GUARANTEE PROPERLY SIGNED BY BOTH THE BIDDER AND SURETY

AND ARE ALL SEALS AFFIXED?

____DO THE BID BOND AND ACCOMPANYING DOCUMENTS BEAR SIGNATURES AND SEALS

AFFIXED AFTER THE DOCUMENT WAS GENERATED, AS OPPOSED TO COMPUTER

PRINTER-GENERATED SIGNATURES AND/OR SEALS?

____HAVE YOU ENSURED THAT YOU HAVE NOT RESTRICTED YOUR OFFER BY ALTERING

THE PROVISIONS OF THE SOLICITATION?

____WHEN REQUIRED, HAVE YOU ENTERED A UNIT PRICE FOR EACH PRICE ITEM?

(THE SOLICITATION SPECIFICALLY STATES WHEN THIS IS NECESSARY.)

____ARE DECIMALS IN YOUR PRICES IN THE PROPER PLACE? ARE YOUR FIGURES

LEGIBLE?

____IF YOU HAVE MADE ERASURES OR CORRECTIONS ON YOUR BID, ARE THEY

INITIALED BY THE PERSON SIGNING THE BID?

____DOES THE ENVELOPE CONTAINING YOUR BID PROPERLY IDENTIFY THAT IT ISA

SEALED BID AND DOES IT CONTAIN THE CORRECT SOLICITATION NUMBER AND BID

OPENING TIME?

____WILL YOUR OFFER ARRIVE ON TIME? (SEE PARAGRAPH ENTITLED "LATE

SUBMISSIONS, MODIFICATIONS, AND WITHDRAWALS OF BIDS" IN THE

INSTRUCTIONS, CONDITIONS, AND NOTICES TO BIDDERS, SECTION 00 21 16 OF

THE SOLICITATION.)

____WILL YOUR OFFER ARRIVE ON TIME? (SEE PARAGRAPH ENTITLED "LATE

SUBMISSIONS, MODIFICATIONS, AND WITHDRAWALS OF BIDS" IN THE

INSTRUCTIONS, CONDITIONS, AND NOTICES TO BIDDERS, SECTION 00 21 16 OF

DOCUMENT 00 00 02 Page 1

THE SOLICITATION.)

NOTE: THERE ARE INCREASED SECURITY MEASURES AT JACOB K. JAVITS

FEDERAL BUILDING, 26 FEDERAL PLAZA THAT MAY AFFECT THE TIME IT TAKES

TO ENTER THE BUILDING. BIDDERS IS RESPONSIBLE TO ENSURE THAT ITS BID

IS SUBMITTED TIMELY.

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SECTION 00 10 00

SF 1442 AND BIDDING SCHEDULE

12/17

PART 1 GENERAL

1.1 SF 1442 SOLICITATION, OFFER, AND AWARD

To be provided by Contracting Division.

PART 2 PRODUCTS

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SECTION 00 21 16

INSTRUCTIONS, CONDITIONS, AND NOTICE TO BIDDERS

09/16

PART 1 GENERAL

1.1 NOTE:

To be provided by Contracting Division.

PART 2 PRODUCTS

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SECTION 00 22 20

PROPOSAL SUBMISSION REQUIREMENTS AND INSTRUCTIONS

09/17

PART 1 GENERAL

1.1 NOTE:

To be provided by Contracting Division.

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SECTION 00 24 00

EVALUATION FACTORS FOR AWARD

06/17

PART 1 GENERAL

1.1 NOTE:

To be provided by Contracting Division.

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SECTION 00 72 00

CONTRACT CLAUSES

09/16

PART 1 GENERAL

1.1 NOTE:

To be provided by Contracting Division.

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SECTION 00 75 95

ROOF SYSTEM 20-YEAR DIAGNOSTICS / PERFORMANCE WARRANTY

PART 1 GENERAL

1.1 RELATED DOCUMENTS

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

1.2 SUMMARY

A. This Section includes the following:

1. Inspection

2. Diagnostics

3. Scope of Work

4. Estimated Budget

5. Preventative Maintenance

6. Housekeeping

7. Web Based Information Management Tool

B. A 20-year Diagnostics/Performance Warranty that transfers the financial risk of maintaining a dry Environment to the Warrantor at a firm fixed price. The building will not require any additional funds from the owner to do repairs or maintenance during the term of this Warranty period.

1.3 DEFINITIONS

A. Warrantor: It is the intention of this specification to have a single company responsible for the performance of the complete Roof System analysis, design, material, labor and continued 1- year maintenance program under a Diagnostics/Performance Warranty contract. In addition, all roof asset information related to the installation and ongoing maintenance shall be recorded and updated regularly through a password protected web site provided by the Warrantor. The Government Agency shall have full access to their private web site.

B. Roof Systems: All metal roofing components, membranes, asphalts, mastics, flashing, metal trim, penetrations, curbs, cover boards, substrate boards, insulation, components and accessories for a complete and secure a watertight roofing system.

C. Roofing Terminology: Refer to ASTM D 1079 and glossary of NRCA's "The NRCA Roofing and Waterproofing Manual" for definition of terms related to roofing work in this Section.

1.4 PERFORMANCE REQUIREMENTS

General: Deliver diagnostics and a roof system performance warranty that includes a proactive methodology for managing and maintaining a dry building environment that transfers all technical responsibility and financial risk to the warrantor.

DOCUMENT 00 75 95 Page 1

1.5 SUBMITTALS

Warranty: Sample of the Performance Warranty contract.

1.6 QUALITY ASSURANCE

A. Warrantor Qualifications:

1. The Warrantor must be ISO 9001 certified.

2. The Warrantor shall provide all aspects of this warranty as a single source warranty provider.

1.7 WARRANTY

A. General: The Diagnostics/Performance Warranty, as specified in this Article, shall not deprive the Government Agency of other rights the Government Agency may have under other provisions of the Contract Documents. The warranty shall be in addition to, and run concurrent with, other warranties made by the Contractor under requirements of the Contract Documents.

B. The Warrantor shall deliver a 20-year Diagnostics/Performance Warranty on all components and accessories related to the roof system asset to the Government Agency.

1. This 20-year Performance Warranty transfers the risk of maintaining a “Dry Environment” to the Warrantor at a firm fixed price included within this contract. The building will not require any additional funds from the owner to do repairs or maintenance during the term of this Performance Warranty.

a. The Diagnostic/Performance Warranty shall be a computer-implemented solution that is a hybrid of diagnostics, materials and services to guarantee a leak free roofing system.

The Diagnostics/Performance Warranty shall consist of:

1) Diagnostics, which includes a condition assessment, infrared scan, membrane core sample analysis and the development of a Scope of work to reach a watertight start-up standard of performance;

2) Implementation of Maintenance Schedule to include preventive maintenance and housekeeping; and

3) Emergency Leak Response at no additional cost to the government to maintain the roofing system in a watertight condition.

C. The Performance Warranty shall include labor & material coverage against leakage on all roofing system components installed by the contractor; including those manufactured by others. Included are the following:

1. Sheet metal flashing and trim.

2. Base sheet and fasteners.

3. Roof decking.

4. Insulation materials and adhesives.

5. Cover boards and adhesives.

6. Substrate boards and adhesives.

7. Roof membrane components and adhesives.

8. Wood blocking and fastening components.

DOCUMENT 00 75 95 Page 2

9. Flashing, counter-flashing and metal trim.

10. Tapered edge and cant strips.

11. Surface mastics, coatings and stripping.

12. All drain assemblies, scuppers, expansion joints, pitch pans and other components, excluding interior plumbing.

13. Any leaks or other problems caused by substrate movement, excluding decks.

14. Cover against damages from wind speeds as specified.

D. The Performance Warranty must include a Web Based Information Database Program for use by Government Personnel and Contractor. This web-based, password-protected program allows the owner to view and print the AutoCAD® drawings, photographs, and roof reports, as well as update all information within the database. This software must perform database queries as well as manage capital and maintenance budgets and cost projections over the duration of the roof maintenance plan.

E. Roof Management and Maintenance: The following services will be provided to the Government Agency at the beginning of the warranty period, at no additional cost. This information shall be entered into the Database Program.

1. Roof Inspection Report: Provide report of roof conditions based upon roof inspections.

2. Storm Reports, Monitoring and Follow-up: Roof inspection at building owner request of roof areas after major storm activity.

3. Roof Top Housekeeping:

a. Remove, bag and properly dispose of all debris from the roof membrane, drains, gutters and scuppers at an approved project site location.

4. Roof Preventative Maintenance and Repair shall include, but is not limited to the following:

a. Roof System Flashing Components

b. Equipment/Projection Flashing Components

c. Drains, Gutters and Scupper

5. Leak responsibilities of the Warrantor to the Government Agency:

a. In the event that a leak should occur:

1) Provide toll free number to call in leak report. Number will be monitored twenty-four (24) hours a day, 365 days a year.

2) Provide a response on all leak calls within twenty-four

(24) hours from when the call is made.

3) Provide a repair crew, at the building site, within two (2) business days of the call .

4) Provide follow-up inspection to ensure that repairs were made properly.

b. Monitor all leak events and response and provide a written quarterly summary if leaks have occurred. Deliver to Government Agency at the end of each quarter when leaks have occurred.

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PART 2 WARRANTY PROVIDER

2.1 WARRANTOR

A. Roof System Performance Warranty Provider: Subject to compliance with requirements, provide the Performance Warranty by the Warrantor specified.

PART 3 EXECUTION

A. Execute the Diagnostic/Performance Warranty as outlined.

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SECTION 01 11 00

SUMMARY OF WORK

08/15

PART 1 GENERAL

1.1 FAR 52.211-10, COMMENCEMENT, PROSECUTION AND COMPLETION OF WORK

a. The Contractor shall be required to (i) commence work under this contract within five (5) calendar days after the date the Contractor receives the Notice to Proceed, (ii) prosecute the work diligently, and

(iii) complete the entire work ready for use, not later than 720 calendar days after the date the Contractor receives the notice to proceed. The time stated for completion shall include final cleanup of the premises.

(FAR 52.212-3)

b. All work shall be in accordance with the drawings and specifications or instructions attached hereto and made a part thereof, or to be furnished hereafter by the Contracting Officer and subject, in every detail, to his supervision, direction, and instructions.

c. Contract requirements may be specified, in part or in whole, within the Solicitation package, referenced Codes and other publications. Restating of a requirement (in part or whole) does not relieve the Contractor of full compliance with all parts of the Solicitation package, referenced Codes and other publications, as well as, all parts of requirements, below. The contractor shall comply with the mandatory and advisory criteria of all contract-referenced Codes and publications except, when inter-related and/or conflicted requirements are encountered, the more stringent contract requirements shall govern. All contract requirements shall be implemented, and adhered to, by the Contractor and at the Contractor's expense. Unless specifically stated otherwise, all items and work required to complete the contract shall be provided and performed by the contractor.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

1.2.1 Project Description

The work includes a full renovation of Bradley Barracks and its supporting facilities to include surrounding paving, landscape and utility infrastructure tie-ins. Interior improvements will replace a dated design, improve life safety, and resolve utility system issues to provide modern living conditions. The interior construction will consist of all new walls, ceilings and floors. The improvements will address deficiencies of programmed spaces including new Cadet rooms, laundry rooms, storage, information technology and communications, day rooms, collaboration rooms, TAC offices and new uni-sex restroom along with new Men’s and Women’s latrines. In addition to the many interior improvements, this project will also include (2) new 5,000 lbs. passenger elevators to replace the (2) original passenger elevators that were installed back in 1972. The building’s exterior and envelope scope of work will include new windows, spray-applied insulation, new roof insulation, finished roofing system, rooftop equipment with structural dunnage and metal panel screening of equipment. Hazardous building materials such as asbestos, lead, and radon are known to exist and any mold or mildew that is present due to water infiltration or improper ventilation will be abated. Demolition will be phased between Bradley Long and Bradley Short.

SECTION 01 11 00 Page 1

In addition, all digging within the historically sensitive areas of post is to be done with the oversight of DPW Cultural Resources. All incidental work associated with the above is also included.

1.2.2 Location

The work is located at the United States Military Academy at West Point, New York, 10996, Bradley Barracks. The exact location is indicated within the project construction drawings. The site of the work is on a military reservation and all rules and regulations issued by the Commanding Officer covering general safety, security, and sanitary requirements, etc., shall be observed by the Contractor.

1.3 DFARS 236.204, DISCLOSURE OF THE MAGNITUDE OF CONSTRUCTION PROJECTS

This project is estimated between $100 Million to $150 Million.

1.4 AUTHORIZED CONSTRUCTION AREA AND TRESPASSING

Do not inflict damage upon land and properties outside the authorized construction area by unwarranted entry upon, passage through, damage to, or disposal of, material on such land or property. The Contractor may make a separate agreement with any other party, regarding the use of, or right to, land or facilities outside the contract area. If such an agreement is made, it must be in writing and a copy shall be provided to the Contracting Officer. The Contractor must hold and save the Government, its officers, and agents free from liability arising from trespassing or damage occasioned by his operations.

1.5 DEMOLITION PHASING

Demolition will be phased amongst the two wings; Bradley Short and Bradley Long. The Contractor shall receive the long wing of Bradley Barracks (Bradley Long) upon Notice to Proceed. The contractor shall not anticipate receiving the construction area for Bradley Short demolition until 30 June, 2020. Refer to the contract drawings for phasing and demolition details. Include demolition phasing for Bradley Long and Bradley Short in the Preliminary Project Schedule, Initial Project Schedule, and Periodic Schedule Update.

1.6 EXISTING WORK

In addition to FAR 52.236-9 Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements:

a. Remove or alter existing work in such a manner as to prevent injury or damage to any portions of the existing work which remain.

b. Repair or replace portions of existing work which have been altered during construction operations to match existing or adjoining work, as approved by the Contracting Officer. At the completion of operations, existing work must be in a condition equal to or better than that which existed before new work started.

c. At Contractor's own expense, Contractor shall immediately restore to service and repair any damage caused by Contractor's workmen to tHexisting piping and conduits, wires, cables, etc., of utility services or of fire protection systems and communications systems

SECTION 01 11 00 Page 2

(including telephone).

d. The Contractor shall repair any damage to those facilities, including those that are the property of a third party, resulting from failure to comply with the requirements of this contract or failure to exercise reasonable care in performing the work. If the Contractor fails or refuses to repair the damage promptly, the Contracting Officer may have the necessary work performed and charge the cost to the Contractor.

1.7 LOCATION OF UNDERGROUND UTILITIES

Obtain digging permits prior to start of excavation, and comply with Installation requirements for locating and marking underground utilities.

No excavation whether minor or major including trenching, sidewalk replacement, etc. will be permitted without an approved digging permit.

Contractor shall apply for renewal of work permits as required if the work continues beyond the original permit expiration date. Contact local utility locating service a minimum of 15 days prior to excavating, to mark utilities, and within sufficient time required if work occurs on a Monday or after a Holiday. Verify existing utility locations indicated on contract drawings, within area of work. Work on or near roadways shall be flagged in accordance with the safety requirements in Safety and Health Requirements Manual EM 385-1-1, which forms a part of these specifications. Work located along the alert force route shall not cause blockage, and the Contractor shall maintain unobstructed access for alert force traffic at all times.

Identify and mark all other utilities not managed and located by the local utility companies. Scan the construction site with Ground Penetrating Radar (GPR), electromagnetic, or sonic equipment, and mark the surface of the ground or paved surface where existing underground utilities are discovered. Verify the elevations of existing piping, utilities,and any type of underground obstruction not indicated, or specified to be removed, that is indicated or discovered during scanning, in locations to be traversed by piping, ducts, and other work to be conducted or installed.

Verify elevations before installing new work closer than nearest manhole or other structure at which an adjustment in grade can be made.

1.7.1 Notification Prior to Excavation

Notify the Contracting Officer at least 30 days prior to starting excavation work. The Contractor shall be responsible for obtaining a digging permit prior to commencing any excavation. The digging permit is referred to as the "Dig-Safe Permit" and the procedure for obtaining this permit is as follows:

a. The Contractor shall notify the Contracting Officer in writing 30 working days prior to commencing any excavation. Notification letter and a completed Dig Safe Permit Request will be submitted to the Contracting Officer and must include areas to be excavated, reason for excavation, depth of excavation, and any supporting information such as drawings to allow the processing of permit. A copy of the Dig Safe Permit Request is attached below. The top portion of the request must be filled out by the Contractor. The Contractor shall not be compensated for any delay caused by failure to notify government on timely basis to obtain the digging permit.

b. Once the permit is approved and signed by the Chief of the Utilities

SECTION 01 11 00 Page 3

Division a Dig-Safe Permit will be issued to the contractor. From the issuance of the Dig-Safe permit, the Contractor has two weeks to commence excavation, after that the permit will no longer be valid and will have to be re-submitted.

c. Once utilities have been identified and marked, it is the responsibility of the contractor to maintain markings throughout the duration of the project.

d. In the event that any utility line is damaged, all excavation will stop, and the Contracting Officer and U&FD (845-938-2818) will be contacted immediately. The U&FD will take appropriate action to effect safe repair. If utility lines are uncovered which were not identified in the Dig-Safe, the U&FD will be contacted, and a determination will be made as to which utility is involved and whether the lines are active or abandoned. When an unknown line is uncovered, it will be treated as "live" until determined otherwise.

e. The Dig-Safe permit may be received by the requestor with special instructions. These instructions must be complied with. These instructions will involve procedures that are determined safe by the Chief, Utilities and Facilities Division and will have to be followed.

f. Excavation may generate further actions depending upon each situation.

Unknown utility locations must be recorded and drawings changed to show location.

g. There are no exceptions to the Dig-Safe Permit process.

h. See SOP 11-7 ANNEX V for additional requirements to obtain a Dig Safe Permit.

1.8 SALVAGE MATERIAL AND EQUIPMENT

Items designated by the Contracting Officer to be salvaged remain the property of the Government. Segregate, itemize, deliver and off-load the salvaged property at the Government designated storage area located within five miles of the construction site.

Provide a salvage plan, listing material and equipment to be salvaged, and their storage location. Maintain property control records for material or equipment designated as salvage. Use a system of property control that is approved by the Contracting Officer. Store and protect salvaged materials and equipment until disposition by the Contracting Officer.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

-- End of Section --

SECTION 01 11 00 Page 4

DRAFT

Geotechnical Engineering Report

Bradley Barracks Upgrade United States Military Academy West Point, New York

January 31, 2018

19955 Highland Vista Drive, Suite 170 � Ashburn, Virginia 20147 � 703-726-8030

19955 Highland Vista Dr., Suite 170 Ashburn, Virginia 20147

(703) 726-8030 www.geoconcepts-eng.com

January 31, 2018

Mr. Gary Calligaro, RA

JACOBS

299 Madison Avenue Morristown, New Jersey 07960

Subject: DRAFT Geotechnical Engineering Report Bradley Barracks Upgrade, United States Military Academy (USMA) (Our 16423.01) West Point, New York

Dear Mr. Calligaro:

GeoConcepts Engineering, Inc., a Terracon Company (GeoConcepts) is pleased to present the following geotechnical engineering report prepared for Bradley Barracks at the United States Military Academy (USMA) in West Point, New York.

We appreciate the opportunity to serve as your geotechnical consultant on this project. Please do not hesitate to contact me if you have any questions or want to meet to discuss the findings and recommendations contained in the report.

Sincerely, GEOCONCEPTS ENGINEERING, INC., A Terracon Company

Rebecca L. Smith-Zakowicz, PG Senior Associate rsmith@geoconcepts-eng.com

Table of Contents

1.0 Scope of Services

2.0 Site Description and Proposed Construction

3.0 Subsurface Conditions

3.1 Geology

3.2 Stratification

3.3 Groundwater

3.4 Soil Laboratory Test Results

3.5 Seismic Site Classification

3.6 Metal Corrosion/Concrete Attack Test Results

3.7 Rock Unconfined Compressive Strength Test Results

3.8 Concrete Compressive Strength Test Results

3.9 Ground Penetrating Radar (GPR) Test Results

3.10 Torvane and Pocket Penetrometer Test Results

4.0 Engineering Analysis

4.1 Spread Footings

4.2 Underpinning

4.3 Earthwork

5.0 General Limitations

Figure 1: Site Vicinity Map

Appendix A: Subsurface Investigation Appendix B: Soil Laboratory Test Results

January 31, 2018 16423.01 Page 1

1.0 Scope of Services

This geotechnical engineering report presents the results of the field investigation, soil laboratory testing, and engineering analysis of the geotechnical data. This report specifically addresses the following:

An evaluation of subsurface conditions within the area of the proposed site development, including a seismic site classification per the International Building Code.

Foundation recommendations for support of new columns for the renovation.

Recommendations regarding underpinning of the existing building.

Earthwork recommendations for construction of loadbearing fills.

Services not specifically identified in the contract for this project are not included in the scope of services.

2.0 Site Description and Proposed Construction

The site is located at the existing Bradley Barracks at the United States Military Academy (USMA) in West Point, New York. Specifically, the barracks are located within the Central Zone, northwest of the intersection of Thayer Road and Brewerton Road. Bradley Barracks has one basement level and six above grade levels.

Imagery provided by Google Earth dated April 2016.

Based on the scope of work dated August 11, 2017, it is our understanding the Bradley Barracks will undergo various renovations including the expansion or replacement of the existing elevator and shaft located on the northeast corner of the north wing of the building. Currently, the elevator services the basement to fourth floors, and we understand that the expanded or replaced elevator will service the basement to sixth floor.

According to an email dated January 17, 2018, the existing elevator pit is approximately 4 feet below existing grades. It is our understanding that underpinning may be required if the existing elevator pit is deepened. We also understand that a new column associated with the renovations may be required below

January 31, 2018 16423.01 Page 2 the basement level, and will carry a dead load of approximately 140 kips and a live load of approximately 70 kips.

We also understand that the proposed work may include the removal and replacement of bituminous pavement, curbs, sidewalks, exterior masonry stairs and platforms, and utility lines. Portions of the site may also be regraded.

3.0 Subsurface Conditions

Subsurface conditions were investigated by drilling one Standard Penetration Test (SPT) boring in the building area. The SPT boring was completed by Uni-Tech Drilling of Franklinville, New Jersey under our observation on December 29, 2017, utilizing 3-¼ inch inside diameter hollow stem auger with automatic hammer. The sampler was advanced by driving the spoon into undisturbed soil under the impact of a 140-lbf hammer free-falling from 30 inches height per ASTM D1586-11. The borings were staked by GeoConcepts using available site plans in the field. A test boring log and a boring location plan are presented in Appendix A of this report.

3.1 Geology

The site lies within the Valley and Ridge Physiographic Province of New York. According to local geologic maps, the site is mapped in Gneiss of the Middle Proterozoic geologic eon. Based on our subsurface investigation, the sediments and strata correspond favorably to the geologic publications. The underlying natural soils are residual materials derived from the physical and chemical weathering of the underlying bedrock.

Bedrock was cored from about 41 to 46 feet depth in test boring B-1 for identification and evaluation of the rock. The RQD (Rock Quality Designation) value in the cored rock was measured to be 29 percent, indicating an overall poor rock quality.

3.2 Stratification

The subsurface materials encountered have been stratified for purposes of our discussions herein. These stratum designations do not imply that the materials encountered are continuous across the site. Stratum designations have been established to characterize similar subsurface conditions based on material gradations and parent geology. The generalized subsurface materials encountered in the test borings completed at the site have been assigned to the following strata:

Stratum A – Existing Fill (Approximately 0 to 6 feet) medium dense to very dense, POORLY GRADED SAND (SP)

WITH GRAVEL, SILTY SAND (SM) WITH GRAVEL, WELL

GRADED SAND (SW-SM) WITH SILT AND GRAVEL, FILL,

moist, dark gray, red-brown, white

Stratum B1 – Residual (Approximately 6 to 40 feet) generally loose to medium dense, POORLY GRADED SAND

WITH SILT (SP-SM), WELL GRADED SAND (SW-SM) WITH

SILT, CLAYEY SAND (SC), SILTY SAND (SM), WITH GRAVEL,

moist, dark gray, red-brown

Stratum B2 – Weathered Rock (Approximately 40 to 41 feet) very dense, POORLY GRADED SAND (SP) WITH GRAVEL, moist, dark gray

Stratum B3 – Rock (Approximately 41 feet and deeper) moderately weathered, hard, highly fractured, GRANITIC GNEISS ROCK, light gray

January 31, 2018 16423.01 Page 3

The two letter designations included in the strata descriptions presented above and on the test boring logs represent the Unified Soil Classification System (USCS) group symbol and group name for the samples based on laboratory testing per ASTM D2487 and visual classifications per ASTM D2488. It should be noted that visual classifications per ASTM D2488 may not match classifications determined by laboratory testing per ASTM D2487.

3.3 Groundwater

Groundwater level observations were made in the field during drilling of test boring B-1. Groundwater was not encountered during drilling. Due to safety concerns to pedestrians, the borehole was backfilled upon completion.

The groundwater observations presented herein are considered to be an indication of the groundwater levels at the dates and times indicated. Accordingly, the groundwater information presented herein should be used with caution. Also, fluctuations in groundwater levels should be expected with seasons of the year, construction activity, changes to surface grades, precipitation, or other similar factors.

3.4 Soil Laboratory Test Results

Selected soil samples obtained from the field investigation were tested for grain size distribution, Atterberg limits, and natural moisture contents. A summary of soil laboratory test results is presented below in Table 3.4-1, and the results of natural moisture content tests are presented on the test boring logs in Appendix A.

Table 3.4-1: Summary of Soil Laboratory Test Results Sieve

Results Atterberg

LimitsTest Boring

No.

Depth

(ft) Sample

Type Stratum Description of Soil Specimen Percent

Retained #4 Sieve

Percent Passing #200 Sieve

LL PL PI

Natural Moisture Content

B-1 2.5-4 Jar A SILTY SAND (SM)

WITH GRAVEL 38.1 14.2 NP NP NP 15.9

B-1 4-4.8 Jar A

WELL GRADED SAND

(SW-SM) WITH SILT

AND GRAVEL

44.7 10.6 NP NP NP 11.5

B-1 6-7.5 Jar B1 SILTY SAND (SM)

WITH GRAVEL 28.7 13.9 23 NP NP 13.1

B-1 8.5-10 Jar B1 CLAYEY SAND (SC)

WITH GRAVEL 18.9 32.5 30 18 12 16.7

B-1 10-11.5 Jar B1

SILTY CLAYEY SAND

(SC-SM) WITH

GRAVEL

21.4 14.9 25 19 6 7.8

B-1 11.5-13 Jar B1 WELL GRADED SAND

(SW-SM) WITH SILT 13.9 10.1 NP NP NP 7.7

B-1 13.5-15 Jar B1 WELL GRADED SAND

(SW-SM) WITH SILT 0.0 11.0 NP NP NP 6.5

B-1 23.5-25 Jar B1

POORLY GRADED

SAND (SP-SM) WITH

SILT

0.0 8.2 NP NP NP 5.6

B-1 28.5-30 Jar B1

WELL GRADED SAND

(SW-SM) WITH SILT

AND GRAVEL

35.7 11.2 19 NP NP 6.3

January 31, 2018 16423.01 Page 4

Test Boring

No.

Depth

(ft) Sample

Type Stratum Description of Soil Specimen

Sieve Results

Atterberg Limits Natural

Moisture Content

B-1 33.5-35 Jar B1

POORLY GRADED

SAND (SP-SM) WITH

SILT AND GRAVEL

34.5 9.2 NP NP NP 2.6

Notes:

1. Soil tests are in accordance with applicable ASTM standards

2. Soil classification symbols are in accordance with Unified Soil Classification System

3. Visual identification of samples is in accordance with ASTM D2488

4. Key to abbreviations: LL = liquid limit; PL = plastic limit; PI = plasticity index; NP = nonplastic

3.5 Seismic Site Classification

Based on the results of the subsurface investigation and our knowledge of local geologic conditions, the site soils have been assigned to a site class D per the International Building Code (IBC).

The site coefficients and adjusted Maximum Considered Earthquake (MCE) spectral response acceleration parameters were obtained from the United States Geological Survey (USGS) website and are presented below in Tables 3.5-1 and 3.5-2.

Table 3.5-1: Site Coefficients Mapped Spectral Accelerations for Site

Class B and 5% Damping (Step 1) Site Coefficients to Modify Accelerations Based on Site Classification D (Step 2) SS = 0.230 g Fa = 1.6

S1 = 0.069 g FV = 2.4

Table 3.5-2: Maximum Considered Earthquake (MCE) Spectral Response Acceleration MCE Spectral Response Accelerations

(Step 3) Design Spectral Response Accelerations

(Step 4) SMS = 0.368 g (=Ss*Fa) SDS = 0.245 g (=2/3*SMS)

SM1 = 0.165 g (=S1*Fv) SD1 = 0.110 g (=2/3*SM1)

3.6 Metal Corrosion/Concrete Attack Test Results

In addition to standard geotechnical soil laboratory testing, one sample was submitted to an analytical laboratory for metal corrosion and concrete attack testing. Corrosion testing consisted of analysis for moisture content (ASTM D2216), pH (EPA 9045/AASHTO T29), resistivity (ASTM G57/AASHTO T288), sulfides (EPA 9030), and reduction-oxidation potential (ASTM D1498 mod.). The results of these tests are presented below in Table 3.6-1:

Table 3.6-1: Analytical Laboratory Test Results Test

Boring No.

Sample Depth

(ft)

Moisture Content pH Resistivity

(ohm – cm) Sulfides (ppm)

Redox Potential

(mV) Point Total

B-1 0-5 11.0 9.6 8,300 <1.2 134 6

For each test presented in Table 3.6-1, points are assigned based on the range of the test results. If the total points from the five tests completed for a particular sample are 10 or more, the soil is considered to be corrosive. The methods described herein are based on information from the American Water Works Association (AWWA). Using the methods described by AWWA, the point total for the samples tested averaged 6. Accordingly, the site soils are considered non-corrosive.

January 31, 2018 16423.01 Page 5

Sulfate tests (CA Test 417/AASHTO T290) and Chloride (AASHTO T291) were performed on selected soil samples to determine the severity of sulfate attack on concrete structures. The results of sulfate testing are presented below in Table 3.6-2.

Table 3.6-2: Sulfate Test Results

Test Boring No. Sample Depth (ft)

Sulfate Concentration (ppm)

B-1 0-5 82

Based on correlations between sulfate concentrations and severity of sulfate attack as presented in American Concrete Institute (ACI) 318, the above sulfate concentrations are considered to pose a negligible threat of sulfate attack on concrete.

3.7 Rock Unconfined Compressive Strength Test Results

Unconfined compressive strength tests were conducted on core specimens of the gneiss rock. The results of the unconfined compressive strength tests are presented below in Table 3.7-1.

Table 3.7-1: Unconfined Compressive Strength Test Results

Test Boring No. Sample Depth (ft) Unconfined Compressive Strength (psi)

B-1 42 - 42.8 9,810

3.8 Concrete Compressive Strength Test Results

A total of eight concrete cores were collected from the existing slabs and columns inside the Bradley Barracks. Specific locations of the cores are shown on Figures 3 through 6 in Appendix A. A total of seven concrete cores were tested for compressive strength testing in accordance with ASTM-C39. The results of the compressive strength tests are presented below in Table 3.8-1.

Table 3.8-1: Unconfined Compressive Strength Test Results

Test Boring No. Location Compressive Strength (psi)

C-1 Column, Second Floor, Room 2102 5,180

C-2 Column, Second Floor, Room 2102 5,240

C-3 Column, Third Floor, Room 3102 4,070

C-4 Column, Third Floor, Room 3102 4,680

C-5 Slab, Fifth Floor, Room 585 3,840

C-6 Slab, Fifth Floor, Room 585 3,920

C-7 Slab, Sixth Floor, Room 685 Not Tested

C-8 Slab, Sixth Floor, Room 685 3,580DRAFT

January 31, 2018 16423.01 Page 6

3.9 Ground Penetrating Radar (GPR) Test Results

A total of five areas of the existing slab on the Second Floor in Room 263, the hallway, and the adjacent lockers, were scanned using ground penetrating radar (GPR) by GPRS. GPR results indicated the reinforcing steel in the slab is approximately 10-inch spacing on center, and the depth to the cover of the reinforcing steel varied. The slab thickness ranged from approximately 8 to 10 inches thick. The GPRS report can be found in Appendix A.

3.10 Torvane and Pocket Penetrometer Test Results

Cohesive soil samples were tested with a Torvane and Pocket Penetrometer. Test results can be found below in Table 3.10-1 for the samples tested.

Table 3.10-1: Torvane and Pocket Penetrometer Test Results

Boring Depth (feet) Torvane Reading (tsf)

Pocket Penetrometer Reading (tsf)

B-1 8.5-10 0.5 0.5

4.0 Engineering Analysis

Recommendations regarding foundations, underpinning, and earthwork are presented herein.

4.1 Spread Footings

Based on the basement floor elevation for the existing building, generally medium dense natural soils should be encountered at proposed spread footing elevations for possible new columns. Spread footings founded in these materials are considered suitable for support of the possible new columns, and may be designed with a net allowable soil bearing pressure of 2,500 psf.

Individual column footing should be at least 30 inches wide for local or punching shear considerations. A maximum slope of one horizontal to one vertical (1H:1V) should be maintained between the bottom edges of adjacent footings. Settlement of the spread footing should not exceed about 0.75-inch, and different settlement between adjacent foundation elements should not exceed about this amount.

Footing subgrades should be observed and approved prior to placement of concrete, to ascertain that footings are placed on suitable bearing soils as recommended herein. Footings should be excavated and concrete placed the same day in order to avoid disturbance from water or weather. Disturbance of footing subgrades by exposure to water seepage or weather conditions should be avoided. Any existing fill, disturbed, frozen, or soft subgrade soils should be removed prior to placing footing concrete. Forms may be used if necessary, but less subgrade disturbance is anticipated if excavations are made to the required dimensions and concrete placed against the soil. If footings are formed, the forms should be removed and the excavation backfilled as soon as possible. Water should not be allowed to pond along the outside of footings for long periods of time.

4.2 Underpinning

It may be necessary to underpin the existing buildings to transfer building loads below excavation levels.

Underpinning of the existing foundations using traditional pit type construction should be feasible. The pits should be sized with an allowable soil bearing pressure of 2,500 psf when founded on the medium dense soils of Stratum B1. There is a risk of additional building movements during the underpinning procedure.

The excavations for underpinning should be completed in relatively short lengths to minimize damage to the existing building. Maximum lengths of underpinning pits should be provided by the structural engineer.

January 31, 2018 16423.01 Page 7

The underpinning work should be completed by a specialty contractor with demonstrated experienced in this kind of work. The subgrade for each pit should be observed by a geotechnical engineer to verify conditions are similar to those assumed in this analysis and to confirm construction is performed consistent with these recommendations. It may be necessary to perform hand auger borings into the underpinning pit bearing surface to verify soil conditions.

4.3 Earthwork

Fill may be required for new pavement, curbs, sidewalks, exterior masonry stairs and platforms, and regrading. Unsuitable existing fill, soft or loose natural soils, organic material, and rubble should be stripped to approved subgrades as determined by the geotechnical engineer.

Fill material should be placed in lifts not exceeding 8 inches loose thickness, with fill materials compacted by hand operated tampers or light compaction equipment placed in maximum 4-inch thick loose lifts.