20PW200_SOW_REV1.docx

STATEMENT OF WORK (SOW)

FOR

Repair Equipment Bay Steam Trench

AT

Watervliet Arsenal Building #22

Project #: 20PW200 Installation Management, Public Works Division Facilities Engineering (TAWV-IMP-F) Revised 02 April 2021

PART 1 GENERAL

SUMMARY OF WORK

1.1.1 Project Description

a. This Statement of Work (SOW) defines the effort required to repair the steam trench located in the back of the Apparatus Bay of the Fire House, Building 22. The existing metal plates have significantly rusted. The rust has elevated a few of the plates above the surrounding floor creating a tripping hazard. It is the objective of this project to eliminate the tripping hazard and prevent future rusting.

1.1.2 Location of Work

a. The work is located at the Firehouse, Building 22, approximately as indicated. The exact location will be shown by the Contracting Officer.

1.1.3 Period of Performance

a. The contractor shall be required to (i) commence work under this contract within 7 calendar days after the date the contractor receives notice to proceed, (ii) prosecute the work diligently, and (iii) complete the entire work ready for use not later than [60] calendar days after notice to proceed was given. The time stated for completion shall include final cleanup of the premises.

1.1.4 Hours of Operation

a. Normal duty hours are 7:00 AM through 4:00 PM, Monday through Thursday, and 7:00 AM through 3:00 PM on select Fridays (the arsenal is closed every-other Friday). Federal holidays are non-work days. If a federal holiday falls on a Saturday or Sunday, the preceding Friday or following Monday is a work holiday.

SUBMITTALS

1.1.5 General Submittal Requirements

a. The contractor shall provide submittal documents via e-mail to the Contracting Officer for review and approval. Provide all physical (non-document) submittals (including but not limited to material swatches, samples, etc.) directly to the Contracting Officer for review and approval. All submittals require government approval unless otherwise explicitly stated.

b. The contractor shall reference APPENDIX A “Consolidated List of Submittals” for the complete list of required submittals.

1.1.6 Contractor Safety Plan

a. The contractor shall submit a safety plan which is specific to the work activity being performed under the scope of this project for Government review and approval.

1.1.7 Lockout / Tagout (LOTO) Acknowledgement

a. The Contractor shall sign and submit a “Lockout/Tagout (LOTO) Notification Acknowledgement Record” prior to working on or de-energizing any electrical equipment.

1.1.8 Asbestos Notification Acknowledgement Record

a. The contractor shall sign the “Asbestos Notification Acknowledgement Record” and submit this form to the Project COR prior to starting project work.

1.1.9 Project Schedule

a. The contractor shall create a project schedule and submit for Government review and approval.

b. The project schedule shall detail the phases of work and the overall timeline for the execution of the work. The contractor shall include delivery dates, appropriate milestones, and shall clearly detail any requirements for work performed outside of regular hours of operation.

GENERAL REQUIREMENTS

1.1.10 Watervliet Arsenal Information for Contractors (WAIC)

a. The contractor shall perform all work in strict conformance with Watervliet Arsenal Instructions for Contractors (WAIC). The contractor shall read and understand this document prior to submitting a proposal. The WAIC is publically available at:

<http://www.wva.army.mil/Documents/Contracting/WAIC.pdf>

1.1.11 Utility Outage Requests and Utility Connection Requests

a. Schedule work to minimize outages. For utility outages and connections required during the execution of work that affect existing systems, coordinate schedule with COR. Schedule utility outages and connections to minimize disruptions to the Government. No additional payment will be provided for utility outages and connections required to be performed outside the regular work hours.

b. The contractor shall notify the Contracting Specialist a minimum of two (2) business days before the contractor starts work. The contractor shall notify the COR a minimum of seven (7) business days before the shut-down of a utility or building service.

1.1.12 Safety Requirements

a. The contractor is required to provide the proper control of hazardous energy (lockout/tagout) per OSHA 29 CFR 1910.147.

b. The contractor shall inspect the project work site prior to starting work, and shall request a copy of the asbestos building inspection records to verify the location and description of known asbestos-containing materials.

ON-SITE PERMITS

1.1.13 Excavation (Dig Permit)

a. The clearance of buried utilities will be performed by the Government in advance of the Contractor performing subsurface work, unless otherwise explicitly stated.

b. The Contractor shall obtain a copy of the completed Utility Clearance Permit (WVA Form 420-2-E) from the COR prior to performing subsurface work. Verify existing utility locations indicated on contract drawings, within area of work.

1.1.14 Hot Work and Confined Space

a. Obtain permit for welding, burning, use of flame, or entry into confined space from WVA Fire Department by calling (518)266-5990 each day the permit is to be used.

APPLICABLE DOCUMENTS

1.1.15 Drawings

a. The following drawings accompany this Statement of Work and are a part thereof.

i. A1 – Site Plan

1.1.16 References

a. The following references accompany this Statement of Work and are a part thereof.

i. Watervliet Arsenal Instructions for Contractors (WAIC).

ii. American Concrete Institute (ACI)

iii. Occupational Safety and Health Administration (OSHA)

iv. UFGS SECTION 03 01 00 - REHABILITATION OF CONCRETE

CONTRACTOR EQUIPMENT

1.1.17 Equipment Identification

a. The contractor shall create and affix a label to all large equipment, dumpsters, and other mobilized property, which is weather-resistant (laminated, or within a see-thru label hanger), securely affixed to the equipment or visible through a window, and which clearly displays the General Contractor’s:

i. Company Name, POC Name (first, last), POC phone number, Project Number.

1.1.18 Waste Dumpster

a. The contractor shall place any waste dumpsters in a manner that does not interfere with thru-traffic.

b. Place waste dumpsters with a minimum of 33’ clearance from any building. The final location shall be coordinated with, and approved by the COR before any dumpsters are mobilized.

c. Cover all waste dumpsters when not in use, and before the end of each work shift. The cover shall be weather-tight.

d. The Contractor shall submit all Bills of Lading and Weight Slips associated with the disposal of all construction and demolition (C&D) debris to the Contracting Officer on a monthly basis. The contractor shall provide this information within ten (10) days of disposal of the waste.

PART 2 PRODUCTS

GENERAL

All work shall be in strict accordance with product manufacturer’s instructions and specifications, including but not limited to manufacturer guidance for storage, staging, application, installation, and disposal of the product.

2.1.1 Hazardous Materials

a. The contractor shall submit Safety Data Sheets (SDS) for all hazardous materials to be used.

2.1.2 Asbestos, Mercury, Lead, PCB

a. Unless otherwise stated, all materials for this project shall be new. All products shall not contain any asbestos, mercury, chromium/lead paint, Class I Freon, and Polychlorinated Biphenyls (PCB), and shall state such on the manufacturer’s original packaging.

2.1.3 DoD Green Procurement Program

a. All construction materials shall meet the applicable requirements of the DoD Green Procurement Program, specifically recycled content products, environmentally preferable products and services, biobased products, energy-and water-efficient products, alternate fuel vehicles and alternative fuels, products using renewable energy, and alternatives to hazardous or toxic chemicals as found at <http://www.acq.osd.mil/dpap/cpic/cp/docs/USA001967-08-DPAP.pdf>.

2.1.4 Paint

a. To meet the Affirmative Procurement Program (Federal Government’s Buy Recycled Requirements) all paint used in the project shall adhere to the below listed requirements of the Comprehensive Procurement Guideline for recovered materials. This applies only to interior latex paint, only if available at the time of the project.

i. Reprocessed Latex Paint (White, Off-White, Pastel Colors) shall contain 20% Post consumer content.

ii. Reprocessed Latex Paint (Grey, Brown Earth tones, and Other Dark Colors) shall contain 50-99% Post consumer content.

iii. Consolidated Latex Paint shall contain 100% Post consumer content.

PRODUCTS

2.1.5 Concrete:

a. Minimum compressive strength of 4,000 psi after 28 days.

2.1.6 Dowels:

a. #4 bent bar, epoxy coated in accordance with ASTM A775.

2.1.7 Wire Mesh:

a. 6 x 6, epoxy coated in accordance with ASTM A884.

2.1.8 Epoxy Floor Coating:

a. Minimum 1/8”, coating system shall be intended for fire department applications; appropriate for industrial setting, capable of resisting heavy shop traffic, offer traction and promote safety (non-slip), and aquatic uses.

PART 3 EXECUTION

ITEMS OF WORK

3.1.1 General.

a. The work covered by this document consists of furnishing all equipment, materials, labor and performing all operations required for concrete repairs as directed.

b. The contractor is required to review the project site, obtain and/or verify all measurements and project data required to perform the project work. Information shown on the project plan is of a graphical nature. Precise locations and actual sizes must be verified.

c. The contractor shall review all contract documents and provide written notice to the Project Engineer and Contracting Officer of any discrepancies that are found prior to bid submission.

d. The contractor shall submit with their bid, at least three job references where the contractor has successfully completed similar applications/repairs.

e. All materials shall be delivered to the jobsite in their original, unopened packages, clearly labeled with the manufacturer's identification, printed instructions and batch code. Contractor shall store and condition the specified products as per the appropriate product data sheet.

f. The contractor shall utilize Tier 4 equipment complying with EPA emissions requirements and provide documentation stating as such to the Government for review and approval. This is to include all heavy equipment, concrete ready mixed trucks and concrete pump trucks. Equipment shall regulate the amount of particulate matter (PM), or black soot, carbon monoxide (CO) and nitrogen oxides (NOx) that can be emitted from diesel engines.

g. The contractor shall request use of specific area(s) of the Laydown Yard to the Project COR. The COR will then evaluate and approve or disapprove the request. Contractor shall delineate the approved area using orange plastic safety/snow fencing. All mobilized vehicles, equipment, and materials shall be kept within the defined area when stored on site. Silt fencing shall be placed around all loose materials to prevent storm water runoff from carrying sediment to surroundings.

h. The contractor shall be responsible to remove all fresh concrete from the cleaning of chutes of ready mixed concrete trucks and hoppers of concrete pump trucks in accordance with the Environmental Protection Agency's (EPA) best management practices.

i. Contractor shall submit their strategy to collect and retain all of the concrete washout water and solids as part of their Storm Water Management Plan.

ii. Washwater shall not be dumped directly on the ground (this is to include slurry from core drilling and saw cutting operations).

iii. Contractor shall also make ready mixed truck drivers aware of their washout facility location and be watchful for improper dumping of cementitious material.

3.1.2 Demolition.

a. The contractor shall use all means and precautions necessary to insure the safety of the occupants and protection to the existing building during demolition and surface preparation operations.

b. The contractor shall install necessary barricades and enclosure to contain particles and vapors from migrating into other areas of the building, and to protect and control construction traffic. Respirable crystalline silica, which is very small particles at least 100 times smaller than ordinary sand you might find on beaches and playgrounds, is created during cutting, sawing, grinding, drilling, and crushing of concrete. Contractor shall comply with OSHA's Respirable Crystalline Silica standard (1923.1153) for construction, which requires employers to limit worker exposures to respirable crystalline silica and to take other steps to protect workers.

i. Efforts shall be made to create a pressure barrier that effectively prevents air-borne pollutants from moving from the work area to another adjacent area within the building. To increase the effectiveness of the barrier, physical barriers can be used, such as plastic sheeting.

c. The contractor shall avoid creating a safety issue by having an open trench for an extended period of time. Therefore, since the existing ¾ inch thick steel diamond plate covers will be removed and discarded, ¾ inch sheets of plywood shall be used to temporarily cover the trench. Plywood shall be positioned and secured in place to provide an adequate walking surface.

d. The contractor shall carefully remove the steam/condensate piping within the trench, approximately 70 lineal feet. This piping has been abandoned in place and is no longer needed. Contractor shall dispose of the piping and fittings offsite.

e. The contractor shall completely remove the condensate pump and associated components (to include any electrical) from the pit in the northeast corner. The Government shall reserve the right to claim any original material/equipment removed before disposal by the contractor. Contractor will deliver salvaged material to the loading dock of Bldg. 120 unless otherwise specified by the Project COR.

f. The contractor shall measure, mark and saw cut the epoxy coated concrete floor as specified from the edge of the frame on each side of the steam trench in order to eliminate the trip hazard and remove the deteriorated 2 inch by 2 inch angle steel. Contractor shall remove enough of the top portion of the existing trench walls (max of 6 inches) to insure a good structural bond between the new and old concrete.

i. The edges of the repair shall be straight, vertical and have a rough profile.

g. The contractor shall completely remove all loose, delaminated and weak concrete, oil, grease, laitance and other contaminants from all horizontal and vertical surfaces to come in contact with new concrete. Contractor shall use acceptable mechanical means as necessary to obtain clean, sound and rough concrete surfaces exposing coarse aggregate.

h. The contractor shall avoid damaging embedded reinforcing and adjacent sound concrete. The removal methods must produce minimal microcracking (bruising) of the prepared substrate surfaces. Avoid directly striking reinforcing steel with impact tools used for concrete removal.

i. If embedded reinforcing steel or other embedded items are too close to the surface to provide the perpendicular edge cut, notify the Project COR for direction before proceeding.

i. The contractor shall dispose of runoff from wet demolition or surface preparation operations in accordance with all local ordinances. Disposal methods must avoid soil erosion, avoid undermining pavements and foundations, damage to landscaping and vegetation, and minimize water penetration through other parts of buildings.

i. Contractor shall collect and neutralize alkaline wastes and acid wastes and dispose in accordance with local, state, and federal regulations.

ii. Contractor shall not discharge any liquids to the stormsewer.

j. When complete, all debris generated as a result of this project shall be removed from the site by the contractor.

3.1.3 Repair Steam Trench.

a. The contractor shall fill-in the trench, pit and disturbed areas using 4,000 psi concrete meeting the requirements of ASTM C94/C94M with a maximum coarse aggregate size of ¾ of an inch.

b. Immediately before placing the concrete, the contractor shall make the repair area available for inspection by the Project COR. Acceptance of the surface preparation must be provided prior to proceeding. If the work is rejected, the contractor shall perform additional operations to the satisfaction of the Project COR.

c. Formwork: The contractor shall construct forms to the sizes, shapes, lines, and dimensions to match existing adjacent surfaces and textures (to include any openings, offsets, chamfers, anchorages, inserts or other specified features) as required. Forms shall be constructed for easy removal to minimize damage to concrete surfaces and adjacent surfaces.

i. Contractor shall apply form release coating over formwork surfaces prior to concrete placement. Form release agents shall not be applied to or come in contact with the repair area concrete substrate, trench steel or reinforcement.

ii. Contractor shall not damage repair material during removal of formwork. If damage occurs, contractor shall perform needed repair and treatment required on surfaces immediately, making sure to follow specified curing procedures.

iii. Contractor shall remove all formwork anchors embedded in existing concrete, and fill anchor holes and repair all damage to existing concrete at anchor holes.

d. The contractor shall apply an epoxy bonding agent to all surfaces to receive new concrete in lieu of presoaking. Contractor shall apply bonding agent uniformly in accordance with manufacturer’s recommendations.

e. Reinforcement: All existing reinforcing steel that has lost bond with the concrete or has more than one-half of its circumference exposed shall be undercut by at least ¾ inch or two times the maximum aggregate size.

i. All reinforcement shall be rigidly secured and supported.

ii. Exposed reinforcing steel shall be free of all loose scale, rust, and other contaminants.

iii. Contractor shall install one layer of epoxy coated 6 x 6 welded wire mesh across the entire recessed trench footprint (centered in the new pour). Contractor shall also use #4 epoxy coated bent bar dowels spaced at 8 inches on center to anchor the new concrete to the existing trench concrete.

i. Dowels shall be embedded a minimum of 3 inches into the center of the exposed face, with a minimum of 3 inches extending into the new pour.

ii. Contractor shall tie mesh to dowels using a coated tie wire.

iv. Contractor shall repair any damage to epoxy coating with a two-part epoxy approved by the manufacturer. Repairs shall be made to any visible damage allowing sufficient time for coating to dry. Spray can repair materials are not recommended.

v. The minimum cover over reinforcement shall be in accordance with job specifications or 2 inches, whichever is greater.

f. Concrete Placement: Bonding adhesive shall be tacky during application.

i. Contractor shall provide adequate access to allow a vibrator to be inserted into concrete for consolidation. Contractor shall only use vibration when necessary and in a manner to avoid material segregation. Vibrators shall NOT be used to move repair material laterally.

ii. Contractor shall pour concrete into trench in a manner to avoid segregation, and firmly work material into roughened substrate to completely fill all pores and voids.

iii. Material shall be poured continuously from one side of the repair area to the other starting at the lowest elevation.

iv. Placement must be continuous to prevent cold joints.

v. Contractor shall continue placement until repair area is completely filled.

vi. Once desired level is achieved, contractor shall screed concrete and finish to desired texture.

vii. Concrete shall be properly cured in accordance with ACI 308.1. Contractor shall use an appropriate curing method which satisfies the physical project conditions and exposure temperature.

g. Resinous Flooring: The contractor shall properly plan out and prepare the new concrete for application of epoxy via the manufacturer’s recommendations. Coating shall match existing as close as possible to include thickness, texture, color, strength, etc. This is to include the yellow striping affected during the repair.

i. Contractor shall submit the product data and a sample of the epoxy to the Government for review and approval prior to purchase. Existing coating is believed to be a Hybri-Flex EQ system as manufactured by DUR-A-FLEX; 95 Goodwin Street East Hartford, CT 06108; www.dur-a-flex.com.

ii. Contractor shall ensure employees wear the correct personal protective equipment (PPE) while accomplishing this task

iii. Contractor shall ensure the proper concrete surface profile is achieved prior to application of the epoxy.

iv. Contractor shall inspect the substrate and immediately report any unsatisfactory conditions that exist and repair as necessary.

v. Contractor shall protect adjacent surfaces (e.g. walls, conduit, electrical, etc.) during the installation process. Contractor shall mix and store the materials on a protective covering.

vi. Contractor shall store materials to prevent damage from moisture, heat, cold, sunlight, or other detrimental effects. Store in accordance with product data sheet.

vii. Contractor shall not install the epoxy on the newly poured section of floor until the concrete has cured a minimum of 28 days.

viii. Contractor shall clean, prep, prime, apply and cure the epoxy coating in accordance with the flooring manufacturer’s recommendations.

ix. Contractor shall comply with resinous flooring manufacturer's written instructions for substrate temperature, ambient temperature, moisture, ventilation, and other conditions affecting resinous flooring application.

x. Contractor shall maintain material and substrate temperature between 65 and 85 degrees Fahrenheit during resinous flooring application and for not less than 24 hours after applications.

xi. Contractor shall treat moving (construction, expansion and isolation) and nonmoving (contraction and/or control) joints accordingly to prevent cracks from reflecting through resinous flooring.

xii. After application of the topcoat, the contractor shall protect the finished floor for the remainder of the construction period. When construction is finished, the contractor shall remove all protection materials, clean the floor and, where necessary, repair, recoat or both at no cost to the Government.

CLOSEOUT REQUIREMENTS

3.1.4 Construction and Demolition Debris

a. The Contractor shall submit copies of all Bills of Lading and Weight Slips associated with the disposal of construction and demolition (C&D) debris and/or recycled materials, under this scope of work. Submit documentation per Appendix A, “Consolidated List of Submittals”.

3.1.5 Cleanup of Work Site

a. The contactor shall clean all work areas and remove all tools, equipment, debris, materials, and all waste from the premises.

b. The contractor shall remove all debris from any remote holding locations, to include any excavation and concrete equipment chute cleanout debris.

c. The contractor shall remove their equipment from Watervliet Arsenal premises within five (5) working days after completion of project work.

3.1.6 Restoration of Work Site

a. The contractor shall repair any items, building surfaces, equipment or miscellaneous items which were damaged during the execution of this SOW. Items that cannot be repaired to restore original function or aesthetics shall be replaced in kind by the Contractor at no additional charge to the Government.

b. Grass, trees, and other vegetation affected by project work shall be restored to same or better condition as existed prior to the start of project work. The Contractor shall prepare the affected areas to eliminate uneven areas and low spots. Remove foreign materials, weeds, and damaged soil. The Contractor shall scratch the area to a depth of three (3) inches where topsoil is to be placed. Spread topsoil to a uniform, compacted depth of less than five (5) inches over areas to be reseeded. Rake until smooth. The Contractor shall seed, fertilize, and water the area to establish grass.

3.1.7 Warranty

a. The contractor shall provide a [5] year warranty on materials and workmanship.

PART 4 APPENDICES

a. Consolidated List of Submittals

b. Quality Assurance Surveillance Plan (QASP)

c. A1 – Site Plan

APPENDIX A: Consolidated List of Submittals

APPENDIX B: Quality Assurance Surveillance Plan (QASP)

PURPOSE

This Quality Assurance Surveillance Plan (QASP) will be used as a guide to Government Quality Assurance Personnel (QAP). It provides a systematic method to evaluate the services the contractor is required to furnish.

SURVEILLANCE PROCEDURES

Timeliness: Progress is maintained to assure compliance with completion time.

Quality: Conformance with statement of work and industry standards.

Tasks: Performed according to statement of work requirements.

Problem Resolution: Contractor submits deliverables in accordance with the contract and resolves any deficiencies identified by the government in the final submission. Following final submission, contractor resolves any additional deficiencies identified by the government and resubmits and or corrects within one week.

Delivery: Contractor submits each deliverable in accordance with the statement of work and terms of the contract.

PERFORMANCE AREAS

Management Responsiveness: Evaluate the adequacy of the contractor’s responsiveness and their ability to keep the government informed of work progress and provides for early problem identification and effective corrective action plans.

Schedule Control: Evaluate the contractor’s adherence to completion schedule.

Performance: The contractor will be evaluated as to the workmanship and adherence to the statement of work.

EVALUATION CRITERIA

(Outstanding). Indicates performance clearly exceeds contractual requirements. The area of evaluation contains few minor problems for which corrective actions appear highly effective.

(Satisfactory). Indicates performance clearly meets contractual requirements. The area of evaluation contains some minor problems for which the corrective actions appear satisfactory.

(Unsatisfactory). Indicates the contractor failed to satisfy contractual requirements and recovery is not likely in a timely manner. The area of evaluation contains serious problems for which the corrective actions were ineffective.

DOCUMENTATION

Documentation used to perform surveillance will consist of random government inspections and inspection records, as well as the evaluation of final work product delivery by the project COR/COTR.

RATING

Contractor will be given an overall rating of Outstanding, Satisfactory, or Unsatisfactory by the Government Technical point of contact or Contracting Specialist Representative, if appointed, using the above 3 evaluation criteria.