1-Atch_1_-_Rev_2_SOW_362_Amd_0006.docx

STATEMENT OF WORK

Building 362 Rehabilitation Sierra Army Depot, Herlong, CA

1. SCOPE OF WORK

Contractor shall perform rehabilitation work for Building 362 as stated in this Statement of Work (SOW). Contractor will replace building siding; provide and install exterior guard rails; provide and install wall insulation; provide and install heaters; provide and install an epoxy floor coating; and repair building concrete perimeter; remove fluorescent lights and install LED lights; and perform structural repairs.

Period of performance is 300 calendar days for the base bid; an additional 45 days for Option 1; and/or an additional 15 days for Option 2; an additional 15 days for Option 3; and/or an additional 15 days for Option 4. Total period of performance if all Options are exercised is 390 calendar days.

2. DESCRIPTION

2.1 General Requirements

Provide construction services to include all labor, management, supervision, tools, materials, equipment and transportation to construct a complete and usable project per the SOW and all attachments.

Contractor shall sequence their work in such a manner that will limit duplication of effort. For example, if the building envelope is damaged in the process of cargo door installation, it may not be necessary to repair the issue immediately if the damage will be repaired during building envelope replacement.

New work such as insulation and gutters shall be broken out separately from rehabilitation work, and as outlined in the price schedule.

General Contractor requirements shall include but are not limited to:

1. Any items that are new or reinstalled by the Contractor shall be tested to ensure proper functionality.

2. Work with COR and SIAD in order to facilitate their work with operations of each warehouse.

3. All work must comply with state and federal EPA regulations.

4. All workers must be trained and certified in accordance with state and federal EPA regulations.

5. Construction shall be in compliance with all applicable local, state, and federal standards.

6. Verify all existing conditions and dimensions.

7. Obtain all permits required to do the work.

8. SIAD shall be notified 15 days in advance of any utility outages.

9. Contractor is subject to all SIAD health and safety regulations and SIAD security requirements.

10. Maintain a clean work area during and after completion of work, and all construction debris and excess materials shall be removed upon completion of the job.

11. Use Government trash cans, dumpsters, or other waste receptacles is prohibited unless otherwise specified. Contractor dumpsters shall be secured in a fenced area or have a locking lid in order to prevent anyone other than the Contractor from using them.

12. Coordinate with SIAD for the transportation and emptying of dumpsters and/or containers so as not to cause any delays in the performance of the contract.

13. Appropriate signs designated by fire, safety and security shall be provided by the Contractor and placed in work areas as directed.

14. Only use copper conductors and branch circuit conduit fittings shall be compression type, no set-screw type.

15. Minimum conduit size for interior electrical distribution shall be ½ inch in diameter for low voltage lighting and power circuits, except for fire alarm systems which shall have a minimum conduit size of ¾ inch in diameter.

16. DO NOT demo the newly installed ramps on the North, East, and West sides of Warehouse 362. These ramps were installed under a different contract.

17. One half of Building 362 interior will be available at a time during construction. Contractor shall coordinate work on north and south areas of warehouse with COR. SIAD will relocate items to clear construction area.

2.2 Building Envelope

2.2.1 Replace Siding

Replace the existing siding of Building 362 as stated below. Building 362 is approximately 90,000 square feet, and 21’-8” high. Contractors for the abatement need to be certified and licensed by the state of CA.

1. Abate non-friable asbestos transite siding from all exterior walls.

2. Siding material shall be removed down to the wood substrate along with the non-asbestos tar paper and nails.

3. Government will supply all disposal dumpsters and/or containers for removed asbestos siding. Government will empty the dumpsters and/or containers and dispose of removed asbestos siding.

4. Pull back and reinstall roofing as required.

5. Remove and reinstall lighting and conduit as required. Provide and install new wiring back to panelboard and new ground wiring for all light fixtures over cargo doors.

6. Remove and reinstall all HVAC and/or swamp coolers as required.

7. Remove and reinstall gutters and downspouts as required. Remove term bar at the top of the gutters.

8. Provide and install 20’ of new galvanized steel gutters on each (Northwest, Northeast, Southwest, and Southeast) corner of the building (a total of 80’ of gutter) to divert run off. New gutters are to match and connect to existing gutters. Downspouts are 4” width and gutters are 6” width. This item will be included as indicated in the price schedule.

9. Remove and reinstall building number signs as required.

10. Repair broken or dry rot wood sheathing and re-nail existing wood sheathing on exterior walls as required (approximately 35% repair/replacement). Sheathing, nail size and pattern shall match existing.

11. Provide and install an approved moisture barrier in accordance with UFC 3-101-01 to exterior of warehouse building. Attach per manufacturer’s instructions.

12. Provide and install 3/8” fanfold or 4’x8’x3/8” insulation panel to all exterior walls, and attach per manufacturer’s instructions.

13. Provide and install new Crane Market Square Double 5-inch lap vinyl siding per manufacturer’s specifications and in accordance with ANSI standards with regard to normal expansion and contraction. Color of siding and trim shall be selected by SIAD post-award.

14. Provide 50-year siding warranty to SIAD.

15. Provide and install vinyl trim accessories as needed around doors, eaves, starter strips, and metal angle corners. Color shall be selected by SIAD post-award.

16. Provide and Install factory painted aluminum Metal Cladding over all exposed wood surfaces. Color shall be selected by SIAD post-award.

17. Apply sealant caulking as needed.

18. Enclose warehouse wall where penetrations are no longer needed.

19. Remove existing wood bumper boards on lower portion of exterior walls, and provide and install galvanized metal traffic guard rail standing off from building. See Section 2.2.2 below for more details (see Appendix 5 for pictures of an example guard rail).

20. Remove and replace re-install 4 building number signs.

2.2.2 Provide and Install Guard Rails:

Remove and dispose of wood guard rails currently installed along exterior building perimeter. Provide and install new exterior guard rails.

1. Remove existing wood bumpers on the exterior walls.

2. Install a metal stand off guard rail system on all four sides of the building compliant with AASHTO M-180-00. Color shall be selected by SIAD post-award.

3. Submit final guard rail design in accordance with specifications for COR approval.

4. Apply caulking as needed.

5. See Appendix 5 for pictures of existing guard rails.

2.3 Concrete repair:

Remove and replace old damaged exterior perimeter concrete. No new ramps shall be replaced.

1. Saw cut approximately 16’-00” from the building wall and remove old damaged exterior perimeter concrete and asphalt (between ramps) as shown in Appendix 2. The existing concrete pavement is approximately 15’ wide and 6” thick throughout entire concrete perimeter. Contractor shall ensure there is an additional 12” concrete section between the ramp and the asphalt, which may be greater than 16’ from the building wall. See example pictures added to Appendix 2.

2. Perform a full depth saw cut existing concrete pavement as close to building wall as possible if there is no existing cold joint or cold joint is more than 12 inches from the building wall.

3. Perform a full depth saw cut on all three sides of the fire riser rooms. Make the cut as close as possible to the brick walls without damaging them.

4. Perform a full depth saw cut wherever needed to relive or isolate electrical, gas or water risers.

5. Dispose of demoed concrete and asphalt in separated rubble piles at SIAD’s disposal site approximately 1 mile away.

6. Excavate as needed to accept 4” of class 2 base and 6” of concrete.

7. Compact native soil to 90%, place 4” aggregate base course and compact it to 95%.

8. Construct 6” thick concrete pavement with 12” thickened on both edges of the pavement as shown on Detail A-A in Appendix 2. New concrete pavement shall be reinforce with #4 @ 16” O.C.E.W. Concrete shall have 4000 psi compressive strength with a minimum 15% Class F fly ash. Air content shall be between 5 to 7 %, with a maximum water cement ratio of 0.45 and other requirement per attached specification in Appendix 1.

9. Construct new concrete pavement from building wall extend outward to new saw cut in asphalt and slope away from building at minimum 1% slope, but maintain a 1” minimum gap between the concrete surface and building siding.

10. Concrete joint layout and joint spacing shall be constructed per Appendix 2. Doweled expansion joint shall have ¾” x 16” at 12 O.C. smooth dowel at mid depth and be sealed with joint sealant per details in Appendix 4. Contraction joint for exterior concrete shall be a tooled joint without joint sealant. Regular expansion joint along the building foundation and around fire riser rooms, isolate electrical, and gas or water risers shall have ¾” preformed expansion joint filler. Construction joint between new concrete and existing asphalt pavement shall be sealed with joint sealant.

11. Joint sealant for the expansion joint shall be exterior grade that conforms to ASTM C 920, Type M, Grade P, Class 25, Use T. Joint sealant for the construction joint between new concrete and existing asphalt shall be hot-applied, polymeric sealant conform to ASTM D 6690 type III.

12. Concrete shall be cured with white pigmented, wax based membrane-forming curing compound which conforms to ASTM C 309, Type 2, Class A.

13. The gas utility provider will remove and reinstall the gas manifold to remove it from possible damage during the demo and/or concrete placement.

14. Extreme caution and care shall be taken to prevent damage to any utility risers or bollards. Saw cut at least 12” away from all bollards and access holes to avoid disturbing underground utilities.

15. Any valve access lids (i.e. gas valve) shall be raised and reset to new grade.

16. Remove all 47” x 45” x 7” exterior door landings to all individual access doors. Reinstall all pedestals to current size and quality after concrete perimeter is installed.

2.4 Wall Insulation

Utilize appropriate fastening techniques sufficient to meet local, state and federal building codes. These items will be included as indicated in the price schedule.

1. Install approx. 19,040sf. Of R-11 foil faced insulation in-between 16 24” O.C. wood studs.

2. Install approx. 10,880sf. Of R-11 Kraft faced insulation in-between 16 24” O.C. wood studs (the first 8ft from floor up).

3. Install ⅝” purple high performance drywall on the first 8 ft. of wall height on all the perimeter walls of the building, approximately 10,880 sq. ft. All electrical conduit and boxes below 8’ on the warehouse interior is to be removed and reinstalled to accommodate new drywall.

4. Install sheets horizontally with 2’ min. staggered butt joints and attach drywall with 1⅝” drywall screws, 6” O.C. on edges and 12” O.C. in field areas. Furring at column edges will be required where applicable.

5. Apply tape and with a minimum of three two coats of joint compound to all joints and screws to bring the wall to a smooth finish Level 2.

6. Apply one coat each of water base latex primer and flat paint in a color to be selected by SIAD post-award.

2.5 OPTION 1: Provide and Install Epoxy Broadcast Overlay System

All structural concrete cracking shall be repaired prior to installation of epoxy floor system.

Apply floor coating on concrete floor of Building 362 as stated below. Building 362 is approximately 90,000 square feet. Coordinate with SIAD to re-locate pallets stacked on floor, so that coating can be applied in all areas. Government will move the shelving prior to construction.

See Appendices for references listed below.

1. Concrete surfaces shall be cleaned and prepared to achieve a laitance-free and contaminate-free open textured surface by shot blasting or equivalent mechanical means (CSP-3 to CSP-4 as per ICRI Guidelines). Sweep and vacuum any remaining dirt and dust with a wet/dry vacuum. Removing residual dust will help insure a tenacious bond between the epoxy and the substrate.

2. All expansion joints and saw cuts shall be properly protected to ensure that epoxy broadcast materials do not seep into these areas (generally the saw cuts are dammed with a protective barrier).

3. Treat all cracks with Sikadur 35 Hi Mod LV or equivalent post-shot blasting, using the Gravity Feed Method as described in the Sika Technical Data Sheets. Mix Sikadur 35 Hi Mod LV or equivalent as an Epoxy Mortar for larger spalls and depressions.

4. Moisture vapor primer Sikafloor 1610 or equivalent should be considered where <6% mass (pbw-part by weight) is measured on concrete substrate with Tramex CME Expert or equivalent type concrete moisture meter. Apply at 10-12 mils (130 square feet per gallon) to a properly prepared substrate.

5. Apply 55 square feet per gallon (30 Mils) of Sikadur 22 Lo Mod Epoxy (1:1 Mix) or equivalent spread with a notched squeegee to the properly prepared surface. Continue to overlap the material to ensure adequate coverage. Back-roll the epoxy with a high quality paint roller to ensure the material is smooth and level, while always maintaining a “wet edge.” Immediately broadcast aggregate (per gradation chart) with a Mohrs hardness of 6 or greater to excess (typically 2 pounds per square foot). Sweep off excess sand after 4 hours at 73 degrees.

6. Apply approximately 150-200 square feet per gallon as a seal coat. Let the Epoxy cure for 24 hours before subjecting to wheel traffic.

7. Apply either Sikadur 51 SL/NS (flexible epoxy) or equivalent control joint filler or Sikaflex 2C NS TG or equivalent to the joints, depending on the demand. Follow manufacturer technical guidelines for application recommendations.

2.6 OPTION 2: Provide and Install Heaters

Provide and install new heaters in Building 362 as stated below. Heaters and all ducting shall have COR approved seismic bracing.

1. Provide and install two Thermo-Cycler GTC-480M (or equivalent) on both the north and south building ends for a total of 4 units. Install all units on west side of building as per attached plan.

2. Provide and install all electrical runs and hook-ups for 4 Thermo-Cycler GTC-480M (or equivalent) 2 on the north-west wall and 2 on the south-west wall of building as shown in Appendix 4. The powers for the new heaters shall be from panelboard A and panelboard B shown on the Appendix 4. Units shall be 240v single phase units. Refer to plan and scale for approximate distance and unit placement.

3. Blower is a 1/5 HP, 3,450 RPM motor. Install the unit’s flue pipes thru the side walls, brace to wall and roof system as needed. Vent location shall be in accordance with NFPA 54. Terminate the vent at least 4 ft. below, 4 ft. horizontally from, or 1 ft. above any door or operable window of the building. It shall also terminate at least 3 ft. above any forced air inlet located within 10 ft.

4. Install Low or Medium pressure gas lines to each unit. Gas input capacity of heater is 550 MBH and nominal unit size is 480 MBH. Gas pressure at Building 362 is 40 psi.

Provide a stub out from the building to allow a gas hookup by the utility provider. See Appendix 4 for location.

Additionally, a regulator may be required, and the regulator's gas flow and pressure requirements should be coordinated with the heater specs to ensure they are properly supplied. Contractor to contact base or utility provider to determine service gas pressure and to install a regulator if it exceeds the maximum pressure allowed by the heaters.

5. Only use copper conductors with minimum 12 AWG and branch circuit conduit fittings shall be compression type, no set-screw type.

6. Minimum conduit size for interior electrical distribution shall be ½ inch in diameter for low voltage lighting and power circuits, except for fire alarm systems which shall have a minimum conduit size of ¾ inch in diameter.

7. Circuit breakers shall be bolt-on type. Series rated circuit breaker and plug-in type are not acceptable.

8. If there is not already one existing, a 120V 20A outlet is required to be installed within 25’ of the heating equipment (per NEC 210.63).

9. All panelboard directories are required to be updated after heaters are installed.

2.7 OPTION 3: Structural Repairs

1. Repair posts as indicated in Appendix 7 and seal cracks with structural epoxy applied per manufacturer’s recommendation.

2. Repair tie brace between trusses. Repair in kind with dimensional lumber. Location is indicated in Appendix 7.

3. Provide and install anchor bolts on all exterior walls as per the attached COE drawing, detail. Existing anchor bolts shall remain in place.

4. Anchor bolts on East and West side walls shall be spaced at 4ft O.C. access for installation can be made with the removal of the exterior sheathing. Removed sheathing may be replaced with like size plywood. Replace any disturbed insulation with same R rating.

2.8 OPTION 4: LED Lighting

1. Remove 120 fluorescent lights complete with wiring. Provide and install new LED fixture Type: M1, Catalog # 75L-8-L100/840-A12125-DIM-UNV, made by H.E. Williams INC (Ph. 775-849-9770 ext:102) or equivalent complete with new wiring back to the panelboard. Re-use existing conduit. Lights shall be lowered to 13’-6” above finished floor. Fixtures shall be supported by jack-chain.

2. LED will be clear lens with 4000K color temperature. Light fixture must be dimmable with dimmers installed. No candle power between two parallel fixtures mounted 20’ apart shall be less than 30 candle power measured 36” AFF. Drivers must have silent and flicker-free operation.

3. Lighting shall comply with UFC 3-530-01, Change 3 (1 June 2016). Submittals must include a photometric plan based on IESNA LM-79 data showing lighting is achieving these requirements.

4. Testing reports must be supplied from manufacturer and include all relevant information.

5. LED luminaires require a 10-year warranty.

2.9 Preconstruction Meeting

Prior to the initiation of work, a meeting will be held with the Contractor, USACE and SIAD to discuss matters of mutual interest concerning the contract. General conditions, work schedule, phasing and coordination, security, safety, permits, and other matters pertinent to work accomplishments will be discussed in this meeting.

2.10 Time Extensions for Unusually Severe Weather

Refer to contract section 00700, FAR 52.249-10, Default (Fixed-Priced Construction).

2.11 Authorities

Only a warranted Contracting Officer (either PCO or ACO) acting within their delegated limits has the authority to issue modifications or otherwise change the terms and conditions of this contract. If an individual other than the Contracting Officer attempts to make changes to the terms and conditions of this contract you shall not proceed with the change and shall immediately notify the Contracting Officer.

2.12 Liquidated Damages

The liquidated damages for this contract are $1,217 per calendar day for each day of delay.

3. CODES AND REFERENCES

References within the RFP are mandatory and shall be used as the basis of construction. References to specific codes and standards within the Specifications may be out of date. However, Contractor shall comply with all current edition of the codes and standards as of the date of contract award. References may not be all inclusive, and it is the Contractor’s responsibility to meet all applicable codes.

· NFPA 70 National Electrical Code

· NFPA 72 National Fire Alarm Code

· NFPA 70E Standard for Electrical Safety in the Workplace

· NFPA 101 Life Safety Code

· IEEE C2, National Electrical Safety Code

· IESNA HB-10 (2011) IES Lighting Handbook

· IESNA-LM-79

· IESNA-LM-80

· TM-21

· UFC 3-501-01 Electrical Engineering

· UFC 3-520-01 Interior Electrical Systems

· UFC 3-530-01, Change 3

· UFC 3-550-01 Exterior Electrical Power Distribution

· UFC 3-560-01 Electrical Safety, O&M

· NFPA 54 Fuel Gas Code

· NFPA 90A Standard for Installing HVAC Systems

· UFC 3-401-01 Mechanical Engineering

· UFC 3-410-01 Heating, Ventilating and Air Conditioning Systems

4. ENVIRONMENTAL COMPLIANCE

See Appendix 5 for SIAD-specific environmental requirements.

5. SUBMITTALS AND FINAL REPORTS

Submittals are required and shall be submitted to the COR for all material to be utilized and/or installed. Materials shall be in compliance with the Unified Facilities Guide Specifications (UFGS) and this SOW. All submittals from applicable specification sections shall be approved prior to commencement of work.

Contractor submittals shall be as specified in the Specifications and through coordination with the COR. Contractor shall also submit the below prior to installation of materials:

· Catalog cuts and Manufacturer’s data on all equipment and materials used in the performance of the contract.

· All shop drawings, cut sheets, and structural plans, including but not limited to shop drawings for heater gas line routing and vent placement.

6. PROJECT SCHEDULE AND TIME CONSTRAINTS

Construction duration will start upon Notice to Proceed of the contract as detailed in Section 1. The time stated for completion includes final clean-up of the premises (FAR 52.211-10, Commencement, Prosecution, and Completion of Work). All work shall be accomplished during normal SIAD work hours, 0630-1700 Monday through Thursday.

7. QUALITY CONTROL AND SAFETY

All work shall be inspected by the Contractor’s Quality Control Officer and final inspection shall be performed by the Government representative prior to final payment. The Contractor shall assign a Site Safety and Health Officer (SSHO) to the project. The SSHO shall be different from the Quality Control Officer. The SSHO or an equally-qualified Designated Representative/alternate shall be at the work site at all times to implement and administer the Contractor's safety program and Government-accepted Accident Prevention Plan. The SSHO's training, experience, and qualifications shall be as required by UFGS 01 35 26.

8. SECURITY REQUIREMENTS

All contractor employees are required to have in their possession valid picture identification issued by the Department of Motor Vehicles or the United State Government. If the employee will be driving on Sierra Army Depot, the employee is required to have in their possession a valid driver’s license, a current vehicle registration, and proof of insurance for the vehicle. After the employee has produced all required information, he or she will be issued a pass for up to 3 days. If the employee will be required to work longer than 3 days, Corps of Engineers Sierra Project Office shall be notified and appropriate forms will be provided.

Contractor shall give the Corps of Engineers Sierra Project Office 72 hours notice for all new employees expected to come to work at Sierra Army Depot. This applies to employees with expired identification badges as well. The contractors shall direct all employees without a current contractor identification badge to the Pass and ID building at the below stated times to gain access to Sierra Army Depot. The Sierra Project Office will have available a sponsor who will act as an escort for the employees. The sponsor will be available between 0745 and 1330, Monday through Thursday.

All deliveries are to be scheduled with the Sierra Project Office in advance so that arrangements can be made for escort to the project site. All deliveries shall be made at the Truck Sierra Main Gate between the hours of 0900-1100 and 1300-1500, Monday through Thursday. All drivers and passengers are subject to the same requirement as listed above as well as their vehicle. The bill of delivery order shall have the delivery address clearly marked. All delivery vehicles will be searched prior to the gaining access to Sierra Army Depot.

The procedure for access to the construction work sites is subject to change at any given time as FPCON security status increases or decreases.

The Project is on a closed Base and, as such, only those persons granted permission may enter. All contractors, including subs, shall complete the online Force Protection Training (https://atlevel1.dtic.mil/at/) and provide COR with certificates of completion and all vetting information in a Word Document via e-mail for both primary and sub-contractors prior to the pre-construction meeting. All required vetting information includes the following:

· Full Legal Name (with suffix if applicable)

· Drivers License Number and State of Issue, or State Issued ID

· “A” Number on the Resident Alien Card (must carry card and/or work permit)

· Submit a signed and completed Release of Information form. Items listed above should be submitted in a typed, legible list. All Resident Alien personnel must carry their Resident Alien Card and present it with Drivers License to the Gate Guard. This information must also be provided prior to the Pre-Construction meeting. All of the requirements of this paragraph must be completed before work is scheduled to start.

During construction, the Contractor shall permit base personnel access to the facilities within the work area. The Contractor shall provide protection to persons and property throughout the progress of the work.

In the event of a declared National Emergency the Contracting Officer may be required to stop work on this contract for security reasons. Contractor shall ensure the Contracting Officer has a current “Off Duty” contact name and telephone number at all times to facilitate notification.

The Contractor shall inform all personnel working under his jurisdiction (including subcontractor and visiting supplier personnel) that access to areas outside of the immediate work area, excluding direct haul and access routes, contracting and Civil Engineering offices and point of supply and storage, is prohibited. Circulation of said personnel will be limited to official business only. Persons in violation of the above will be apprehended and appropriately disciplined.

9. CONTRACTOR MANPOWER REPORTING

The contractor shall report ALL contractor labor hours including subcontractor labor hours) required for performance of services provided under this contract for USACE a secure data collection site. The contractor is required to completely fill in all required data fields using the following web address: https://www.cmra.mil/.

Reporting inputs will be for the labor executed during the period of performance during each Government fiscal year (FY), which runs October 1 through September 30. While inputs may be reported any time during the FY, all data shall be reported no later than October 31 of each calendar year. Contractors may direct questions to the help desk at: http://www.cmra.mil.

10. POINTS OF CONTACT (POCs)

11. POST-AWARD POINTS OF CONTACT

The Administrative US Army COE POC & ACO will be designated at the time of award. They will be responsible for verifying that the Contractors’ performance and completion of work is in accordance with applicable requirements.

Appendices

Appendix 1 – Specifications Appendix 2 – Concrete Perimeter Drawings Appendix 3 – Concrete Floor Coating Appendix 4 – Heaters Appendix 5 – SIAD Environmental Requirements Appendix 6 – Photos Appendix 7 – Option 3: Structural Repairs

End Statement of Work