6PW202_SOW_Repair_Perimeter_Fence_Rev1.docx

Repair Perimeter Fence

POST

Work Order #: 6PW202

AAS #: 160390005

Watervliet Arsenal Installation Management, Public Works Division Facilities Engineering (TAWV-IMP-F)

8 February 2016 Revised: 6 May 2016

PART 1 GENERAL

1.01 Scope.

A. This Statement of Work (SOW) defines the effort required for the restoration and repair of the perimeter fencing at the Watervliet Arsenal.

1.02 Submittals.

A. The contractor shall e-mail all submittals to the Contracting Specialist 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 complete list of required submittals.

1.03 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.

1.04 General Requirements.

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

B. The contractor shall supply all tools, materials, supplies, equipment, labor, temporary utilities and supervision necessary for the complete execution of the requirements within the contract documents and requirements of this SOW.

C. The contractor shall, prior to submitting a proposal, review (i) all contract documents, and (ii) the project work site, and shall provide written notice to Contracting Specialist detailing any discrepancies that are found between the contract documents and the project work site.

D. 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.

E. The contactor shall clean all work areas, at the end of each work day, to remove all tools, equipment, debris, materials, and all waste from the work site.

1.05 Safety Requirements.

A. The contractor shall be responsible for complying with all DOD, Army, Federal, and State health and safety requirements which are applicable to this project, and shall use all means and precautions available to ensure the safety of the occupants and protection to the existing buildings and structures.

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. The contractor shall sign the “Asbestos Notification Acknowledgement Record” and submit this form to the Contracting Specialist.

1.06 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 [30] calendar days after notice to proceed was given. The time stated for completion shall include final cleanup of the premises.

1.07 Project Schedule.

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

1.08 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:

1. Company name

2. POC name (first, last)

3. POC phone number

4. Project Number: “6PW202”

1.09 Applicable Documents.

A. Watervliet Arsenal Instructions for Contractors (WAIC).

B. UFGS 32 31 26 – Wire Fences and Gates C. UFGS 32 31 13.53 – High Security Chain Link Fences and Gates D. American Concrete Institute (ACI) E. American Society for Testing and Materials (ASTM) F. Masonry Advisory Council.

PART 2 PRODUCTS

2.01 General.

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.

B. 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.

C. 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>.

2.02 Materials.

A. Flat Stock

1. 3/8” x 2-1/2”

2. 3/8” x 2”

3. Shall conform to ASTM A36/A36M B. Angle Steel

1. 1-1/2” x 1-1/2” x 3/8”

2. Shall conform to ASTM A36/A36M C. Paint

1. Rust Grip as manufactured by Superior Products International II, Inc., Shawnee, Kansas, Tel. (913) 962-4848, or equivalent.

a. Metallic based, moisture cure polyurethane encapsulating coating designed to seal air, moisture and chemicals out of surfaces.

2. Enamo Grip as manufactured by Superior Products International II, Inc., Shawnee, Kansas, Tel. (913) 962-4848, or equivalent.

a. Two-part aliphatic polyurethane enamel.

D. Fence Posts

1. Shall conform to pipe material standards ASTM A53, Gr. "B", Type E or S and have a galvanized coating that conforms to ASTM F1 083.

2. 21/2 in., standard weight, nominal diameter.

E. Tie Wires

1. 16 gage, galvanized steel wire for tying fabric to line posts, rails and braces.

F. Tension Bar(s)/Truss Rod(s)

1. One piece, lengths equal to the full height of fabric with a minimum cross section of 3/16 by 314inch steel, wrought or malleable iron and having a galvanized coating that conforms to ASTM F1 083.

G. Bottom Rail(s)

1. 15/8 in., standard weight, nominal diameter H. Schedule 80 Pipe, 4” dia.

I. Concrete

1. Shall have a minimum compressive strength of 5,000 psi after 28 days.

J. Clearco Silvercoat Bright Galvanizing Spray or equivalent.

K. Mortar

1. Shall conform to ASTM C-270, Type “O”.

L. Climb Prevention

1. Roller Barrier, manufactured by Insight Security, or approved equivalent

PART 3 ITEMS OF WORK

3.01 Repair Iron Fencing, South of Building 110.

A. The contractor shall use extreme caution to insure all work is of sufficient quality so as not to detract from the historical significance of the fence.

B. The contractor shall straighten bent sections of fence as required to restore to original line.

C. The contractor shall replace all broken or missing U-bolt fasteners. Fasteners shall be hot dipped galvanized to resist corrosion.

D. Splice Plates: The contractor shall replace broken channel splice plates in approximately forty (40) locations. Contractor shall also remove any items used to make temporary repairs.

1. New plates shall be no less than six (6) inches in length and made out of 3/8” x 2-1/2” flat stock.

2. The contractor shall refer to drawing SK-1 for details, attached.

3. The contractor shall modify existing angle steel as required to ensure proper fit.

E. Anchor Bars: The contractor shall remove and replace fifteen (15) deteriorated anchor bars.

1. Bars shall be replaced with new 1-1/2” x 1-1/2” x 3/8” angle steel.

2. New sections of angle steel shall match existing, that is bent at a 45 degree angle and notched for barbed wire.

3. Contractor shall weld a plate to the bottom of the angle steel for attachment to the concrete. Plates shall be no less than six (6) inches in length and made out of 3/8” x 2” flat stock.

F. Welding: The contractor shall weld splice plates and angle iron to existing fence as required.

1. Welds shall be continuous and in accordance with AWS D1.1 specifications.

G. Lead: The existing iron fence coating has been tested and confirmed to contain a small percentage of lead.

1. Contractor shall strip coating at least 4” on both sides of the weld or cut line. Coating shall be stripped onto plastic sheeting and disposed of properly.

2. If the coating is not stripped prior to cutting/welding, the contractor shall provide the following additional protective measures at a minimum:

a. A full face-piece air purifying respirator equipped with N, R, or P filter and with 100 per cent efficiency.

b. A tight fitting powered air-purifying respirator with high efficiency filter.

c. A half mask or full face piece supplied air respirator in continuous flow, or

d. A half mask supplied air respirator in pressure demand or other positive pressure mode.

3. Contractor shall use a full or partial enclosure around the welding or cutting activity.

4. Contractor shall ensure that local exhaust ventilation is provided and used.

5. Contractor shall clean up the work area regularly.

6. Contractor shall place signs in the work area to warn personnel of the lead hazard.

7. General Notes: Do not eat, drink, smoke, or chew gum in the work area. Do not store food in the vicinity. Wash hands with soap and water before breaks and at the end of the work shift. Be sure to scrub under nails and use disposable towels.

H. Painting: The contractor shall spot treat and paint approximately four hundred and seventy-five (475) lineal feet of fence.

1. The contractor shall make all repairs prior to painting.

2. The contractor shall clean fence of all dust, dirt, oil, grease, and incompatible paints/primers.

3. The contractor shall remove any surface rust or loose mill scale using sandpaper, steel wool, or other abrading method.

4. The contractor shall apply one-coat of moisture cure urethane, Rust Grip or equivalent, to the fence in accordance with manufacturer’s printed instructions. Under no circumstances shall application conditions exceed manufacturer recommendation.

a. Once cured, the contractor shall apply at least one coat of Enamo Grip topcoat or equivalent two-part aliphatic polyurethane enamel to the fence.

b. Topcoat shall be black in color with a glossy finish.

c. Topcoat shall meet manufacturer recommendations to avoid product incompatibility.

5. Each coat shall be applied in a uniform layer, completely covering the preceding coat. The Contractor shall correct any spotting, laps, holidays, brush marks, roller tracking, runs, sags, or other surface imperfections before succeeding coats.

6. If fresh paint is damaged by the elements, the contractor shall replace or repair the paint at the discretion of the Project COR at no additional cost to the government.

7. The contractor shall protect surrounding surfaces/structures against damage during paint application. Contractor shall clean any spattered surfaces. Remove spattered paints by washing, scraping, or other methods. Do not scratch or damage adjacent finished surfaces.

3.02 Repair Chain Link Fence, East of Building 135.

A. The contractor shall remove mesh screening as required. Screening shall be reinstalled at completion of the work.

B. The contractor shall straighten bent “H” posts and “C” shapes as required to restore fence to original line.

C. The contractor shall replace all missing or broken U-bolt fasteners. Fasteners shall be hot dipped galvanized to prevent corrosion.

D. The contractor shall remove the two (2) middle and two (2) end posts. Posts shall be cut flush with the top of the wall. Hollow sections of galvanized posts shall be filled in with concrete.

E. The contractor shall fabricate and install four (4) support braces over existing post locations. Braces shall contour to the shape of the wall and be made out of ½” thick plate steel.

F. The contractor shall secure braces to barrier using 3/4 inch diameter epoxy anchor bolts.

G. The contractor shall weld a three (3) foot section of four (4) inch Schedule 80 steel pipe to the top of the bracing. Schedule 80 piping shall act as a sleeve for new fence posts.

H. The contractor shall slide new posts into sleeves and secure using high strength non-shrink grout. Grout shall have a minimum compressive strength of 5,000 psi.

I. The contractor shall ensure the posts are plumb and at the correct height.

J. The contractor shall replace bent tension bands and tension/truss rods.

K. The contractor shall straighten both brace rails. It may be necessary to shorten rails for proper fit/alignment.

L. The contractor shall replace all missing or broken tie wires.

M. The contractor shall furnish and install missing bottom rails in the locations specified.

N. The contractor shall shorten chain link fabric as required to attach to new end posts.

O. Galvanized surfaces damaged by welding or abrasions, and cut ends shall be cleaned and repaired with galvanizing repair material applied in strict conformance with the manufacturers printed instructions.

P. The contractor shall install temporary security fencing as required while new work is being performed. At the end of each work day, any opening must be secured to the satisfaction of the Emergency Services Chief.

Q. Painting: The contractor shall clean Schedule 80 piping of all dust, dirt, oil, and grease.

1. The contractor shall apply one coat of Rust Grip and one coat of Enamo Grip or an equivalent painting system to piping.

2. Paint shall be black in color with a glossy finish.

3. Each coat shall be applied in a uniform layer, completely covering the preceding coat. The Contractor shall correct any spotting, laps, holidays, brush marks, roller tracking, runs, sags, or other surface imperfections before succeeding coats.

4. All paint coatings selected shall be produced by the same manufacturer and used throughout the entire project.

5. If fresh paint is damaged by the elements, the Contractor shall replace or repair the paint at the discretion of the Project COR at no additional cost to the government.

6. The contractor shall protect surrounding surfaces/structures against damage during paint application. Contractor shall clean any spattered surfaces. Remove spattered paints by washing, scraping, or other methods. Do not scratch or damage adjacent finished surfaces.

3.03 Repair Chain Link Fence, Siberia.

A. Property Disposal Area:

1. The contractor shall remove one (1) bent “H” post to include concrete footing.

a. Contractor shall furnish and install new post and footing in the same location, if possible.

b. Post shall be a 2.25” H-section of sufficient length to allow for a thirty-six (36) inch embedment into concrete and a minimum of three (3) inches of concrete below the bottom of the post.

c. Footing shall be ten (10) inches in diameter. Top of footing shall be trowel finished and sloped to shed water away from post.

2. The contractor shall remove and reset double swing gate. Gate shall be true to line with no more than one-half (1/2) inch deviation from the established centerline between line posts. Defects shall be repaired as directed.

a. Upon completion of the realignment, the contractor shall pour ¾” (three quarter) inch crushed stone against the gate to fill gap between bottom edge of fabric and ground surface.

B. Northwest Perimeter Fence Line:

1. The contractor shall replace all missing or broken tie wires.

a. Ties for securing fabric to line posts shall be placed twelve (12) inches on center.

b. For tying fabric to rails and braces, space wire ties at twenty-four (24) inch intervals on center.

c. Ends of tie-wires shall be twisted not less than two full turns and bent so as not to present a hazard.

d. For tying fabric to tension wire, use hog rings at twenty-four (24) inches on center.

2. The contractor shall secure bottom edge of fencing fabric, roughly one hundred and sixty (160) lineal feet. Fencing fabric shall be secured by weaving a No.4 (1/2” diameter) rebar into the fabric. The four (4) foot long rebar shall be positioned approximately eighteen (18) inches up from fabric’s bottom edge then driven into the ground a minimum of twenty-four (24) inches. Rebar shall be spaced at approximately four (4) feet intervals.

3. Upon completion of the rebar installation, ¾” (three quarter) inch crushed stone shall be poured against the fabric to fill gap between bottom edge of fabric and ground surface. The stone shall create a mound approximately six inches in height and approximately thirty (30) inches width, centered on the fencing fabric.

3.04 Install Climb Prevention, Building 11 (North Gate Guard Booth).

A. The contractor shall install two rows of climb prevention rollers along the edge of the lower flat roof. Rollers shall block access to the roofs edge, ensure hands can’t get ahold of them, and spin so there is no climbing over them.

1. Product shall be “Roller Barrier” as manufactured by Insight Security or an approved government equivalent.

a. System shall consist of a series of independently rotating cups mounted on a central shaft and supported at specified intervals with suitable brackets.

b. Shaft lengths shall be quickly and easily joined together using joining spigot, to form longer runs (or cut shorter lengths if required).

c. Cups shall be molded from recycled polycarbonate, unbreakable, flame retardant, and UV resistant for a long operational life.

B. The contractor shall position rollers so that would be climbers have to stretch up to reach them, and cranked forward (toward the approach side of the building).

C. The contractor shall install rollers so that at corners, one row overlaps the other, leaving no unprotected area.

D. The contractor shall install rollers in accordance with all manufacturer’s printed instructions.

E. The contactor shall ensure all penetrations are sealed and water tight. Any leaks or damage caused by the installation shall be the responsibility of the contractor to repair.

3.05 Replace Chain Link Fence, North of Quarters 4.

A. The contractor shall replace approximately seventy-two (72) lineal feet of perimeter fencing. Existing fence fabric has multiple (at least 6) oval holes cut into bottom where it meets stone wall.

1. Fence section shall be brought back to original specification/condition to include repair/replacement of all ancillary parts.

B. The contractor shall insure fence is straight and within six (6) inches of existing fence line, on Government property.

C. Chain link shall be fabricated from 9 gage, galvanized steel wire woven into a two (2) inch diamond mesh conforming to ASTM F668.

1. Fabric shall be provided in single lengths between stretch bars with bottom barbs placed approximately one and a half (11/2) inches above the stone wall.

2. Fabric shall be pulled taut and tied to posts, rails, and tension wires with wire ties and bands.

3. Fabric shall be installed on the outside, away from quarters. Fabric shall remain under tension after the pulling force is released.

D. The contractor shall cut existing fabric by untwisting and removing pickets. Accomplish splicing by weaving a single picket into the ends of the rolls to be joined.

E. Stretcher bars shall be threaded through fabric and secured to posts with metal bands spaced fifteen (15) inches on center.

F. Nuts for tension bands and hardware shall be installed on the side of the fence opposite the fabric.

G. All fasteners shall be hot dipped galvanized to prevent corrosion.

H. Ties for securing fabric to line posts shall be placed twelve (12) inches on center.

1. For tying fabric to rails and braces, space wire ties at twenty-four (24) inch intervals on center.

2. Ends of tie-wires shall be twisted not less than two full turns and bent so as not to present a hazard.

3. For tying fabric to tension wire, use hog rings at twenty-four (24) inches on center.

4. Aluminum fabric wire ties are not acceptable, only galvanized steel wire may be use to secure fencing fabric.

I. Galvanized surfaces damaged by welding or abrasions, and cut ends of fabric, barbed wire, or other cut sections shall be cleaned and repaired with specified galvanizing repair material applied in strict conformance with the manufacturers printed instructions.

J. All openings in the perimeter fencing must be temporary. At the end of each work day, any opening must be secured to the satisfaction of the Emergency Services Chief.

3.06 Restoration of Stone Foundation.

A. The contractor shall repair roughly one hundred and twenty (120) lineal feet of stone foundation supporting the Northeast perimeter iron fencing.

B. The contractor shall close off any areas needed around the wall to create a safe work site.

C. The contractor shall start demolishing in areas where failure has already occurred. Only the areas of the foundation that are failing or in need of repair shall be demolished. Structurally sound sections of the foundation shall remain in place.

D. The contractor shall reuse as many of the original stones as possible. Any stones that cannot be reused will be disposed of by the contractor. Any new stones that the contractor uses must be of similar vintage and appearance.

E. The contractor shall ensure the stability of the fence while working. This is to include temporary shoring and supports to keep the fence intact.

F. At the end of each working day the contractor shall be responsible for the foundation being safe and secure with no penetrations.

G. The contractor shall lay the stones in level lines that match the rows of the rest of wall.

H. The contractor shall inspect the ground for instability and movement before rebuilding the foundation.

I. All mortar joints shall be tooled to match existing mortar joints on the wall. The color and texture will also match. Reference attached diagram, SK-2, for these mortar joints.

J. The intent of the project is to restore the wall to look like the original with the same appearance and configuration of the stones and joints.

3.07 Install Barbed Wire Web Design.

A. The contractor shall fabricate and install a barbed wire web to reduce the gap between the chain link and iron fence in the Northeast perimeter.

B. Web framing shall consist of a single 6 x 7 MC shape and two (2), 3/6” x 1-1/2” x 1-1/2” steel angles configured into a fan shape. Reference attached sketch, SK-3.

1. All steel shall be notched or drilled to accept three (3) strands of barbed wire.

2. All steel shall be welded in accordance with AWS D1.1 specifications and conform to ASTM 36/A36.

3. Barbed wire shall be galvanized, hi-tensile, 15.5 gage steel wire.

C. The contractor shall pull wire taut to provide a smooth uniform appearance, free from sag.

1. Contactor shall fasten wire to framing steel at approximately twelve (12) inch intervals unless otherwise specified.

D. The contractor shall drill holes in MC Shape and attach to terminal post using 3/8” u-bolts. U-bolts shall be hot dipped galvanized to resist corrosion and spaced every six (6) inches.

E. The contractor shall remove all vines from terminal post and fence to ensure proper installation.

F. Prior to installation, the contractor shall apply at least one coat of primer and two coats of black paint to all surfaces of the MC shape and steel angle framing in accordance with manufacturers provisions to prevent rusting.

G. Once installed, the web shall NOT protrude past the iron fence line.

PART 4 CLOSEOUT REQUIREMENTS

4.01 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.

PART 5 APPENDICES

A. Consolidated List of Submittals B. Quality Assurance Surveillance Plan (QASP) C. SK-1_Splice Plates D. SK-2_Joint Configuration Details E. SK-3_Barbed Wire Web

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, 3 using the above evaluation criteria.