Amendment W912WJ22Q0049-0001.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

Amendment 0001 is necessary to answ er questions from industry and change the Schedule including the period of performance in the Statement of Work.

The closing due date remains 9 March 2022 at 5:00 PM.

All other terms and conditions w ill remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

1 13

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 24-Feb-2022

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912WJ22Q0049

X 9B. DATED (SEE ITEM 11)

22-Feb-2022

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

24-Feb-2022

CODE

U S ARMY ENGR DISTRICT, NEW ENGLAND

696 VIRGINIA RD

CONCORD MA 01742-2751

W912WJ 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

Sheila.M.Winston@usace.army.milEMAIL:978-318-8159TEL:

SHEILA M WINSTONVINCUILLA / CHIEF, CONTRACTING DIVISION

W912WJ22Q0049

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

QUESTIONS AND ANSWERS

QUESTION 1: Per the manufacturer, there is a six (6) month delivery time anticipated for the pavilion supply once the order is placed, what do you recommend to meet the period of performance?

ANSWER 1: Due to the supply chain delays, the Period of Performance is extended to

300 days after the Notice to Proceed.

QUESTION 2: Can the pavilions be fabricated by the contractor?

ANSWER 2: Any pavilion must have drawings and meet all the specifications outlined in the Statement of Work.

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

STATEMENT OF WORK

INSTALL PAVILIONS

U.S. ARMY CORP OF ENGINEERS

CAPE COD CANAL PROJECT

BOURNE, MA

Scope of Work December 2021

I. General

1. Scope of work

Contractor shall furnish all labor, equipment, and materials to provide five (5) commercial grade steel pavilions with multi rib metal roof, powder coated paint over hot dipped galvanized steel frame members, and hurricane anchored columns. Work includes concrete grade slabs, column pier foundations, and site grading (See figures 1-6 & Photos 1-3).

Pavilion A Size: Square 12’x12’, Concrete Slab Size 16’x16’x4” (Buzzards Bay Rec Area) Pavilion B Size: Square 12’x12’, Concrete Slab Size 16’x16’x4” (Buzzards Bay Rec Area) Pavilion C Size: Square 12’x12’, Concrete Slab Size 16’x16’x4” (Buzzards Bay Rec Area)

Pavilion D Size: Square 12’x12’, Concrete Slab Size 16’x16’x4” (Scusset Beach Rec Area) Pavilion E Size: Square 16’x16’, Concrete Slab Size 20’x20’x4” (Scusset Beach Rec Area)

2. Locations

The work area is at two separate locations on federal property along the Cape Cod Canal.

Contractor shall install three (3) 12’x12’pavilions at Buzzards Bay Recreation Area, 110 Main Street, Bourne, MA 02532. Contractor shall install (2) pavilions (1 @ 12’x12’ & 1 @ 16’x16’) on the canal service road at the end of 20 Scusset Beach Rd, Sandwich, MA 02562.

3. Site Visit

A scheduled Site Visit for quoters will be listed in the Solicitation. Quoters should attend the Site Visit to confirm understanding of the scope, inspect field conditions, access roads, existing overhead power lines and existing utilities prior to bidding. No extra payment will be allowed for perceived additional work caused by unfamiliarity with site conditions and requirements. After Contract award, the Technical Point of Contact (TPOC) for questions and site coordination is Travis Germano (978) 318-8550 or Travis.J.Germano@usace.army.mil.

4. Schedule The work shall be completed begin within 15 days from notice to proceed. The project area will be open to the contractor Monday through Friday, 7:00 AM to 5:30 PM. All work must be done during these hours unless additional hours are approved by the Technical Point of Contact. No work shall be done on weekends or Government holidays.

All work, inclusive of clean up, will be completed and ready for use no later than 300 days from the Notice to Proceed.

5. Safety

All work shall be conducted in accordance with the U.S. Army Corps of Engineers Safety and Health Requirements Manual (EM 385-1-1, most recent edition), and all applicable Occupational Safety and Health Administration (OSHA), federal, state, and local safety and health requirements. A copy of EM 385-1-1 can be accessed at the project office or electronically at the following link:

https://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385- 1-1.pdf

Project staff reserve the right to cease work at any time should the safety of employees, Contractors, and/or the public become jeopardized.

The Contractor shall prepare an Accident Prevention Plan (APP) specific to the activities being performed, at a minimum it must meet the requirements of EM 385-1-1, Appendix A.

Contractor is responsible to have a fall protection program in accordance with EM 385-1-1, Section 21, when employees are working at heights above 6 feet. It shall include Activity Hazard Analyses (AHAs) as described below.

A preparatory meeting shall be conducted by the prime contractor to discuss the APP contents with all effected onsite employees. The Prime Contractor is responsible for informing the subcontractors of the safety provisions under the terms of the contract, the penalties for noncompliance, and inspecting subcontractor operations to ensure that accident prevention responsibilities are being carried out.

Weekly safety meetings shall be held and documented. Records shall be available to the Technical Point of Contact upon request.

An AHA shall be submitted for each major phase of work. A major phase of work is defined as an operation involving a type of work presenting hazards not experienced in previous operations or where a new subcontractor or work crew is to perform the work. The analysis shall define all activities to be performed, identify the sequence of work, the specific hazards anticipated, and the control measures to be implemented to eliminate or reduce each hazard to an acceptable level. The AHA shall be continuously reviewed and revised to address changing site conditions as appropriate.

COVID-19 Precautions: As part of the APP and AHAs include site specific COVID-19 monitoring procedures which address, at a minimum, the following elements: Procedures for periodic sanitation and disinfecting of equipment, vehicles, and tools in accordance with Centers for Disease Control and Prevention (CDC) guidelines. Employee training on the signs, symptoms, and protection measures in accordance with CDC guidelines.

The Contractor shall employ a minimum of one Competent Person (CP) at each project site to function as the Site Safety and Health Officer (SSHO). The SSHO shall be present at the project site and report to the contractor’s upper management. The SSHO is required to have related construction experience and have at a minimum completed a 10 Hour OSHA training.

All accidents and near misses shall be investigated by the Contractor. All work-related recordable injuries, illnesses, and property damage accidents (excluding on-the-road vehicle accidents), in which the property damage exceeds $5,000.00, shall be verbally reported to the Technical Point of Contact within four (4) hours of the incident. Serious accidents as described in EM 385-1-1 Section 01.D shall be immediately reported to the Technical Point of Contact. ENG Form 3394 shall be completed and submitted to the Technical Point of Contact within five (5) working days of the incident.

The Contractor shall provide daily production & QC reports, employee work hours, and certified payrolls electronically to the Technical Point of Contact.

6. Preconstruction Conference Prior to the start of any work, the Contractor and Technical Point of Contact will schedule and conduct a “Preconstruction Conference”. The Contractor’s staff responsible for quality and safety on the job site will attend this meeting. This conference will be scheduled for a time and location agreeable to the government and contractor. No work may be performed under this contract prior to this conference. The purpose of the conference is to enable the Technical Point of Contact to outline the requirements in terms of safety, quality, submittals, communications, inspections, and payments. Storage areas for materials, equipment and dumpsters will also be coordinated at this meeting.

7. Permits The Contractor shall, without additional expense to the Government, be responsible for obtaining any necessary licenses, permits, and letters of certification. The Contractor shall comply with any applicable Federal, State, County, and Municipal laws, codes, and regulations in connection with the performance of the work specified under this contract.

8. Security

The contractor shall comply with all established security policies at the Cape Cod Canal Project. Potential periods of heightened security may affect access to work areas. The Government reserves the right to close any property and reschedule work. Excluding emergencies, the Contractor shall be given at least 24-hour notice of any such closure. The Contractor is responsible to secure the security gate for each access road when departing each day.

If keys are issued for access to areas, keys shall be returned upon request of the Technical Point of Contact, or before final payment is made.

9. Contractor Conduct

The work area is located on Federal property. Contractor and employees must always act in a professional manner. Alcohol and firearms are prohibited on project grounds.

10. Payment

Payment shall be made after final inspection and acceptance by the Government, the Contractor must submit an invoice, utilizing Form ENG 93, to the Technical Point of Contact. The invoice shall include the name of contractor (as per SAM registration), invoice date, contract number, description of work completed, and total amount due. For jobs greater than 30 days the contractor may request progress payments. Invoices may be mailed to:

U.S. Army Corps of Engineers Cape Cod Canal Field Office P.O. Box 1555 Buzzards Bay, MA 02532 Attn: Travis Germano Or Emailed to Travis.J.Germano@usace.army.mil

II. Technical Requirements:

Part 1 General:

Contractor’s work and responsibility includes all job scheduling, personnel, equipment, materials, supervision, and quality control necessary to perform the work. All onsite work shall be coordinated with the Technical Point of Contact prior to start.

Contractor is responsible to provide bathroom facilities for workers at the work sites.

Requests for Information:

Requests concerning this work should be directed to the Technical Point of Contact at the Cape Cod Canal Office at 978-318-8550 or Travis.J.Germano@usace.army.mil.

Submittals:

Contractor shall provide submittals that show pertinent details of proposed materials that allows confirmation the materials are in accordance with requirements listed in the Materials section of this scope of work. Although the Government technically reviews submittals, the Contractor’s work must be prosecuted using proper internal controls and review procedures. Contractor submittals must be reviewed and accepted by the government prior to the commencement of any field activities. Contractor shall provide required submittals to the Technical Point of Contact within 45 days of notice to proceed.

Required submittals include:

1. Accident Prevention Plan (APP) and Activity Hazard Analyses (AHA’s) for all fieldwork.

2. Project Schedule

3. Site Plan - Submit a site plan for access route, storage of materials, locations of contractor provided dumpsters, & perimeter fence location.

4. Pavilions, Column Anchors, & Multi Rib Metal Roof System – Provide Site Specific

Drawings & Installation Instructions

5. Concrete Mix Design, Local Ready Mix Concrete Plant Supply Source, Steel

Reinforcement, & Non Shrink Grout

6. Backfill Materials: Gravel Base Material, Topsoil, Sand

Government Resources:

The contractor is responsible for providing all resources to complete the project. The Government will not provide any equipment or services.

Omissions:

This contract may not cover all specified activities, steps, and procedures required to supply the contract product. In case of omission, the normal industry, state, or federal standards, practices, specifications, and/or guides shall prevail. In no instance shall an omission be reason to produce less than an acceptable product.

Quality Control and Quality Assurance:

The contractor is responsible for the quality control of the contract work. The government has the right to inspect and test all items called for by the contract for Quality Assurance, to the extent practicable at all times and at all places during the term of the contract.

Other Contracts:

The Government may undertake or award other contracts for additional work not related to this contract, and the Contractor shall fully cooperate with other Contractors and Government employees. The contractor shall not commit or permit any act, which will interfere with the performance of work by another contractor, or by Government employees.

Receiving and Storing Materials:

Storage areas for materials, equipment and dumpsters will be coordinated with the Technical Point of Contact. The contractor is responsible for protecting any stored material. The contractor is responsible for receiving and unloading of delivered goods. Government employees will not receive material or supplies for the contractor and will not be responsible for damage to contractor equipment or material.

Environmental Protection:

The Contractor is responsible to prevent the release of any contamination and control of sediment during all fieldwork. Select and maintain temporary sediment controls such that water quality standards are not violated as a result of construction activities. Prevent sediment laden runoff from entering water bodies, drainage inlets, and environmentally sensitive areas.

Sediment controls may include, but are not limited to, entrenched staked straw bales, entrenched sediment (silt) fence, or compost filter socks. Remove all temporary sediment controls during final clean-up and prior to demobilization. The contractor shall immediately report any release of contaminants to the Technical Point of Contact.

Clean Up:

The Contractor shall practice good housekeeping to maintain a safe job site. The contractor shall keep the work area, including any storage areas, free from the accumulation of waste materials.

Upon completing work, the contractor shall remove all tools, equipment, and materials that are not the property of the government and shall clean up the job site to the satisfaction of the Government.

Sustainability:

EPA Designated: Under the Comprehensive Procurement Guidelines (CPG) program, the Environmental Protection Agency (EPA) designates products that are or can be made with recovered materials and recommends practices for buying these products. Any designated product that is being offered or supplied under this contract shall meet the minimum recommended content levels as identified under the CPG program. Visit https://www.epa.gov/smm/comprehensive-procurement-guideline-cpg-program for a complete list of designated products and the associated recommended contents levels. Offerors must be able to demonstrate that each offered products meets minimum content levels upon request.

Part 2 Materials:

1. Pavilions: Provide commercial grade pavilions with multi rib metal roof, powder coated steel columns and frame members, with hurricane anchored columns into concrete piers. All fasteners and hardware shall be stainless steel. Color to be selected by TPOC.

a. Size: 12’ x 12’ Steel Square Structure (Pavilions A, B, C, & D) Roof Type: Multi Rib Metal Roof Column & Frame: Steel, Finish Shall be Powder Coated Paint Over Hot

Dipped Zinc Galvanized No. of Columns: 4 Anchor Bolts: External anchor bolts at surface mounted fixed base plate Clear Height: 8’ 6” Concrete Grade Slab: 16’x16’x4” Concrete Column Piers: 24” dia. x 48” deep cylindrical footings below slab

b. Size: 16’ x 16’ Steel Square Structure (Pavilions E)

Roof Type: Multi Rib Metal Roof Column & Frame: Steel, Finish Shall be Powder Coated Paint Over Hot

Dipped Zinc Galvanized No. of Columns: 4 Anchor Bolts: External anchor bolts at surface mounted fixed base plate Clear Height: 8’ 6” Concrete Grade Slab: 20’x20’x4” Concrete Column Piers: 24” dia. x 48” deep cylindrical footings below slab

*All welding shall be performed by American Welding Society (AWS) certified welders and conforms to the latest edition of AWS D1.1 or D1.3 as required.

2. Multi Rib Metal Roof: Panels shall be 24-gauge galvanized steel panel with a polyvinylidene fluoride (PVDF) resin coating on top, color selection to be selected by TPOC, and white coating on the ceiling surface. The metal roof deck shall be attached with exposed stainless steel fasteners with gaskets.

3. Anchor Bolts: Column base plates shall be installed with external anchor bolts at finish grade, rated to withstand winds of up to 120 miles per hour, in accordance with manufacture’s requirements. Minimum 3/4" x 17" x 3" Heavy Duty “L” Bend galvanized Anchor Bolts, Nuts, & Washers, conforming to ASTM F1554 Grade 55.

4. Base Plate Covers: Provide steel base plate cover over exposed surface mounted fixed base plate anchor bolts at the base of steel columns. Finish shall be powder coated paint over hot dipped zinc galvanized.

5. Non Shrink Grout (Grouting Under Column Base Plates): A premixed, structural, non-shrink class A cement grout. The Non-Shrink Grout shall be a non-metallic cement grout and shall have a minimum compression strength of 60MPa.

6. Concrete: Shall be Ready Mixed minimum 4000 PSI conforming to ASTM C 94. Concrete shall contain an air-entraining admixture. Admixture shall conform to ASTM C260, except it shall be nontoxic after 30 days and shall contain no chlorides. Concrete shall be supplied from local ready mix concrete plant.

7. Reinforcement Steel: Slab shall be reinforced with Welded Wire Fabric (WWF) 6x6 (W2.9 x W2.9), conforming to ASTM A 185. WWF shall be sheets only, rolls not acceptable. Piers shall be reinforced with #3 Rebar cages conforming to ASTM A 615, Grade 60. Rebar cage shall be 18" dia. for 24" concrete, #3-Hoops @ 12" on #6 Vertical @ 6".

8. Tie Wire: Tie wire shall be 16 gauge minimum, black, soft annealed.

9. Chair Supports: Use rebar chair supports for WWF reinforcing in concrete placed on grade.

10. Mats or Sheeting For Curing: Use Burlap mats or polyethylene sheets.

11. Backfilling Material:

a. Gravel Base Material: Provide a 6” thick uniform gravel base course, after 95% compaction, under the footprint of each concrete slab. Soil, stone or crushed rock material shall provide a well-draining and uniform sub-grade to support the new concrete slabs. Gravel base shall be free of organic material, silt and clay.

b. Topsoil: Topsoil shall be from a local source that is clean, and free of weeds, litter, and brush.

c. Sand: Sand shall be from a local source that is clean, and free of weeds, litter, and brush.

Part 3 Execution

1. The contractor shall ensure that all submittals have been approved prior to onsite work and coordinate the schedule for all onsite work with the Government technical point of contact.

2. Contractor shall determine and submit a site plan for access route, storage of materials, locations of contractor provided dumpsters, & fence location.

3. The work area is located at a busy park location open to the general public. The contractor is responsible for preventing the general public from encountering hazards associated with the work. The contractor shall provide a 6’ temporary construction perimeter fence to ensure the safety of the general public. Signs warning of the presence of construction hazards and requiring unauthorized persons to keep out of the construction area shall be posted on the fencing. Existing park features and utilities adjacent to work areas shall be protected from damage.

4. The Canal service roads have gates to control unauthorized vehicle access. The contractor will be provided a key to open the gates at the pre-construction conference. The contractor shall return the key to the government upon completion of the field work. The contractor shall ensure any gate unlocked for access is re-secured upon entry and exit. The contractor shall comply with the 10 miles per hour speed limit for all vehicles on the service roads and shall use caution when approaching Canal visitors.

5. Work shall be performed as required by rules, regulations, codes and laws of local, state, and federal governments. In cases where work is not specifically shown or specified, contract shall include miscellaneous items, appurtenances, devices and materials obviously necessary for a sound, secure and complete installation.

6. Existing Conditions: Contractor shall be responsible for the protection of all existing structures, equipment, & areas from damage during construction. Any items not included in the Statement of Work that are damaged or altered during construction shall be restored to their pre-construction condition at the contractor’s expense and verified as such by the Government TPOC. Any disturbed areas outside of the sites to include the access roads and public roads shall be restored to the minimum of pre-existing conditions.

Items identified for removal and disposal in the SOW or attached photos are to be removed by Contractor and disposed of properly.

7. Utilities: Contractor shall "Dig Safe" the work area prior to any subsurface work.

Government personnel will identify known subsurface utilities, conduits and structures that are near the work area. Contractor will be required to hand dig column pier foundations within 36” any underground utilities. All existing utilities shall be protected from damage.

No utilities may be interrupted unless approved by the Government TPOC.

8. Using the Figures and Photos as references, the Contractor shall establish the exact locations of concrete grade slabs for pavilions and acquire TPOC approval prior to install.

9. Concrete Grade Slabs & Pavilions - Buzzards Bay Recreation Area The contractor shall provide three (3) concrete slabs & pavilions as shown on Figure 1 & 2.

Pavilion A, B, & C Size: (Quantity 3) 12’x12’ Steel Square Structure w/ Multi Rib Metal Roof

Grade Slab for Pavilion A, B, & C: (Quantity 3) 16’x’16’x4” square concrete slab with WWF sheet reinforcement. Provide broom finish and 3/4” chamfer edges on perimeter of slabs.

Column Piers (4/pavilion): 24” dia. x 48” deep cylindrical footings below bottom of slab with rebar cage. Rebar cage shall be 18" dia. for 24" concrete, #3-Hoops @ 12" on #6 Vertical @6".

10. Concrete Grade Slabs & Pavilions – Scusset Beach Recreation Area

The contractor shall provide two (2) concrete slabs & pavilions as shown on Figure 4 & 5.

Pavilion D Size: (Quantity 1) 12’x12’ Steel Square Structure w/ Multi Rib Metal Roof

Pavilion E Size: (Quantity 1) 16’x16’ Steel Square Structure w/ Multi Rib Metal Roof

Grade Slab for Pavilion D: (Quantity 1) 16’x’16’x4” square concrete slab with WWF sheet reinforcement. Provide broom finish and 3/4” chamfer edges on perimeter of slabs.

Grade Slab for Pavilion E: (Quantity 1) 20’x’20’x4” square concrete slab with WWF sheet reinforcement. Provide broom finish and 3/4” chamfer edges on perimeter of slabs.

Column Piers (4/pavilion): 24” dia. x 48” deep cylindrical footings below bottom of slab with rebar cage. Rebar cage shall be18" dia. for 24" concrete, #3-Hoops @ 12" on #6 Vertical @6".

11. Work includes excavation, forms, placement, finishing, curing of concrete, and installation of pavilions on the new concrete slabs. The top of slab elevation shall be installed level & 2” higher than existing grade.

12. Excavate the footprint of each concrete slab to a sufficient depth to provide space for installation of the 6” gravel base. Compact excavated soil area, prior to placement of gravel base, with mechanical hand tampers in a manner that will not damage adjacent or buried facilities. Provide a 6” thick uniform gravel base course, after 95% compaction, under the footprint of each concrete slab. Excavated material shall be removed and properly disposed offsite.

13. Concrete Form Tolerances: Failure of the forms to produce the specified concrete surface and surface tolerance shall be grounds for rejection of the concrete work. Rejected work shall be repaired or replaced at no additional cost.

The following table indicates tolerances or allowable variations from dimensions of concrete work:

Maximum Tolerance Anchor bolt setting +1/4" -1/4" Finished concrete, all locations +1/4" -1/4" in 10 feet

Max ±1" in total length

14. Formwork Surface Preparation: Concrete forms shall be staked, braced, and be of ample strength to resist springing during placement of concrete. Forms shall be straight, free of distortions, defects, and extend the full depth of the concrete. Clean form surfaces to be in contact with concrete of foreign material prior to installation. Coat form surfaces in contact with concrete with a release agent prior to concrete placement.

15. Beveled Edges (Chamfer): Using Chamfer strips, Form ¾” beveled edges on exposed concrete edges and corners

16. Placing Reinforcement: Position reinforcing steel as indicated in this SOW and secure by using annealed wire ties or clips at intersections and support by metal supports & spacers.

WWF sheets shall overlap minimum 6”. Do not place metal clips or supports in contact with the forms. Bend tie wires away from the forms to provide the specified concrete coverage.

Terminate bars 2 inches clear from faces of concrete.

17. Placing Concrete: Place ready-mixed concrete within the specified delivery time after initial batching based on the outside temperature. Ready-mixed concrete exceeding the delivery time will be rejected by the TPOC. Do not place ready-mixed concrete in the rain or at times when rain is expected or forecasted.

Outside Temperature Delivery Time 40 to 85 degrees F 90 Minutes 86 to 90 degrees F 75 Minutes Above 90 degree F 60 Minutes

18. Concrete Finish: The finishing of concrete surface shall be done by experienced and competent concrete finishers. Complete concrete surfaces by screed to grade and steel trowel finish without local depressions or high points. Apply a stiff bristle broom finish. Leave broom lines parallel to the direction of slope drainage. Provide ¾” chamfer edges.

19. Curing Concrete: Water cure with burlap or polyethylene sheets and/or use approved cure compound spray.

20. Installation & Erection of Pavilions onto Concrete Slabs: New pavilions with multi rib metal roofs shall be fully assembled and installed according to manufacture’s recommended installation instructions and requirements. Pavilion columns shall be fastened to concrete using anchor bolts set into concrete piers. Concrete piers with anchor bolts shall cure for at least 3 days prior to attaching the structure columns. Care shall be taken to ensure powder coat finish is not scratched or damage during installation & erection.

21. Grading & Topsoil: Contractor shall grade all areas to provide positive drainage to avoid erosion of remaining site. No ponding shall occur from rain runoff. Any grass areas disturbed by the work shall be repaired with 6” of topsoil and raked evenly. After removal of concrete forms, provide topsoil extending 6 feet out from slab perimeter raked evenly to provide a smooth transition from the slab to the existing grade.

22. Disposal: Local regulations regarding hauling and disposal shall apply. Contractor shall dispose of all debris resulting from the construction work. Contractor shall leave the entire site of the work in a neat and orderly condition. Debris, rubbish, non-hazardous waste, and non-usable material resulting from the work under this contract shall be disposed of by the Contractor at his expense off Government property. Segregate and maximize recycling of all waste generated. Debris shall be removed and transported in such a manner that prevents damage to local roads and spillage.

23. Closeout Procedures: Contractor shall coordinate with the TPOC for the following at the completion of the project:

a. A final inspection walkthrough of the project to ensure the work is completed in accordance with the Statement of Work.

b. Confirm the Warranty Information for installed equipment and the building.

c. Complete Final Payment Forms and Certifications.

SECTION I - CONTRACT CLAUSES

The following have been modified:

52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK (APR 1984)

The Contractor shall be required to (a) commence work under this contract within 15 calendar days after the date the Contractor receives the notice to proceed, (b) prosecute the work diligently, and (c) complete the entire work ready for use not later than 300 DAYS FROM NOTICE TO PROCEED. The time stated for completion shall include final cleanup of the premises.

(End of clause)

(End of Summary of Changes)