SOW PJMS112354 Demo Pump House 1152 and Water Stor 1151.doc

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General Project Information:

1.1. Project Location and Background: Demolition of Pump House (Facility 1152), Demolition of Water Storage (Facility 1151), and Reroof of the flat roof portion of Base Hazardous Storage (Facility 1150) located at the Martin State Airport, Maryland Air National Guard, Baltimore, MD 21220. This project renovates the south wall of the original Base Hazardous Storage (Facility 1150) as required by the demolition of Pump House (Facility 1152). The existing electrical and domestic water service in Pump House (Facility 1152) is to be removed after new electrical and domestic water service to the Base Hazardous Storage (Facility 1150) has been installed. This project also installs an insertable gate valve on the existing 8 inch domestic water main that is located next to Base Hazardous Storage (Facility 1150) and will be accessible by a lockable valve box.

1.2. Site Description: The Maryland Air National Guard, Warfield Air National Guard Base has a workforce of over seventeen hundred full and part-time personnel, with facilities occupying one hundred and seventy five acres of property. The primary mission is to provide security to the nation and the state of Maryland. These facilities require security protection at all times. Absolutely no photography of aircraft is permitted.

1.3. Use of Premises:

1.3.1. Coordinate access to premises with Contracting Officer’s Technical Representative (COR) Maj Walt Moddison at (410) 918-6537 for execution of work. Emergency situations, military operations, or other contingencies may cause suspension of work or restrictions on access to the construction site. If military emergency operations require escorts, the Government will provide them to the Contractor at no cost.

1.3.2. The Contractor shall designate employees; usually the job superintendent and one other person, to sign a background check release form for base access. Once a background check has been completed with no negative findings, those employees will be granted escort privileges. This employee shall be responsible for escorting all employees that do not have badges, including subcontractors and delivery persons.

1.3.3. The COR will determine the equipment, material, and other staging locations or work areas available under this contract.

1.3.4. Contractor shall assume full responsibility for protection and security of materials and equipment stored on site.

1.3.5. Contractor shall move any stored products, under their control, which interfere with operations of the Government.

1.4. Government Equipment: Contractor use of Government owned or leased equipment such as: hoists, forklifts, compressors, welding machines, cutting rigs, etc. shall not be permitted on either a reimbursable or non-reimbursable basis. Cost for all equipment required to accomplish the work shall be included in the Contractor’s final bid price.

1.5. Permits and Inspections:

1.5.1. Normally no permits or inspections by local building officials are required. All inspections and testing will be performed by COR unless modified by the Statement of Work.

1.5.2. Unless otherwise specified in other sections of this specification, the use of burning equipment or open flame welding and cutting shall be allowed only as authorized in writing by the local Fire Inspector (Facility 3150). Once approved by the Fire Inspector, a written AF Form 592 - USAF Welding, Cutting, and Brazing Permit will be issued. The permit is normally given 24 hours after receipt of Contractor's request.

1.5.3. Digging permits are obtained from the Work Control Office (Facility 2100) at (410) 918-6300. The Contractor is responsible for contacting ‘Miss Utility’ to mark the gas and electrical lines. The Contractor is responsible for hiring a private underground utility locating company to mark the water, sanitary sewer, storm sewer, broadband cable, and communication lines.

1.6. Change Orders: Only the Base Civil Engineer (BCE) or the Contractor may initiate change order requests. Do not proceed with any work until a signed modification or other written authority is received from the Contracting Officer. Only the Contracting Officer may approve a change order.

1.7. Field Changes: No changes in the cost or the scope of the project may be made without processing a change order. Field changes not involving cost or scope may be initiated by the BCE, COR, Contracting Officer or the Contractor.

1.8. Contractor Passes: Contractor’s Passes and ID cards for all Contractor personnel are required for access to the Base and construction site. All employees who will be driving on base must have a valid driver’s license, proof of vehicle insurance, vehicle registration and a vehicle pass. Vehicle Passes and Base ID cards can be obtained from the Security Forces (Facility 2020).

1.9. Daily Report and Sign-In Register: Each day the Contractor is on site to perform any work, the Superintendent/Foreman shall sign in at the Base Engineering (Facility 2100), indicating specific Facility/Location and the number of people who shall be performing work that day.

1.10. Hours of Operations: The hours of operations at the Martin State Airport Air National Guard Base are 10 hours per day (0630 – 1700) Tuesday – Friday. Coordinate access to premises with COR for execution of work. Emergency situations, military operations, or other contingencies, may cause suspension of work or restrictions on access to the construction site.

1.11. Off-Hours Work: Except as otherwise specified, all work shall be performed during regular work hours (indicated above). If the Contractor desires or is required to work on Mondays, Saturdays, Sundays, Holidays or other hours outside normal work schedule, the Contractor shall be required to seek written approval from the BCE. The Contractor is not entitled to premium time if the request is approved.

1.12. Clean up: The work site is an active civilian and military airport. Site cleanliness and Foreign Object Debris (FOD) control is essential. The Contractor will clean up all construction debris and refuse and will remove it from the work site and the Base daily at their own expense.

1.13. Safety: The Contractor is responsible for performing all work In Accordance With (IAW) State and Federal OSHA requirements as well as compliance with the most current USACE EM 385-1-1. This is available at http://140.194.76.129/publications/eng-manuals/em385-1-1/2008_English/toc.html.

1.14. Environmental Protection and Waste Disposal: The Contractor shall at their own expense, remove all sludge, dusts and debris from the property of the Martin State Airport Air National Guard Base which have resulted from specific work described in Paragraph 2 of these specifications. The disposal of all such materials, which may include hazardous or toxic liquids that are used to perform the work, shall conform to all Federal, State, and Local environmental regulations with regards to both transportation and ultimate disposal. This project must comply with all Federal, State, and Local environmental regulations. All dumpster service and waste management shall be provided at no additional cost to the Government. All recyclable metal shall be placed into Martin State Airport scrap metal recycling containers. Please contact the Base Environmental Engineer Lt Col Peter Loebach at (410) 918-6486 for detailed information.

1.15. Hazardous Materials: If suspected hazardous materials are discovered, do not disturb, and contact the COR.

1.16. Drawings: Drawings furnished by the government to the Contractor may be used for general information only and shall not be relied upon or used as the basis for preparation of contract drawings required by this contract without complete verification by the Contractor.

2. Specific Project Information: This project demolishes Pump House (Facility 1152), demolishes Water Storage (Facility 1151), and reroofs the flat roof portion of Base Hazardous Storage (Facility 1150) to make space for a new pump house and water storage tanks that are a part of the PJMS032027A, Renovate A-10 Maintenance Hangar and Shops (Facility 1070) project. The project also includes providing new electrical and domestic water service to Base Hazardous Storage (Facility 1150) and installs an insertable gate valve on the existing 8 inch domestic water main.

2.0.1. The project has nine major components;

2.0.1.1. First is the installation of an insertable gate valve on the existing 8 inch domestic water main. The water main runs parallel to Base Hazardous Storage (Facility 1150) and Pump House (Facility 1152) in the grassy area on the east side of the facilities. The water main is approximately 6 feet below finish grade. Provide and install earth shoring and dewatering as required. A lockable valve box shall be provided and installed during the earth backfill process.

2.0.1.2. Second is the fire protection piping bypass of the existing fire protection pumps in Pump House (Facility 1152). Disconnect and remove FP valves connecting fire pumps with FP line. Install in-line Fire Protection piping in the lower floor level of the Pump House to reconnect the existing incoming 8 inch FP line and the existing outgoing 12 inch FP line.

2.0.1.3. Third is the installation of a new electrical service/meter and new domestic water service to the Base Hazardous Storage (Facility 1150). Both services currently pass through Pump House (Facility 1152). Furnish and install a new meter base on the north side of the northwest corner of Facility 1150. The Contractor shall be responsible for all coordination with BG&E for outages and work standards. Furnish and install a new ASTM/SCTE 77 Tier 15 rated, labeled, electrical handhole at the northeast corner of Facility 1150. Excavate a new trench through pavement on the north side of Facility 1150 for the following new circuits: service from utility transformer to meter base, branch circuit to Vehicle Inspection Facility Gate Arm. Restore pavement to match existing. Install Government-Furnished 37.5kVA, 480V-120/240V transformer wall-mounted in Facility 1150 Electrical Room. Furnish and install new service from the meter base to a new 100A, 600V, NEMA 4X fused disconnect and to the 37.5kVA transformer. Furnish and install new service from the transformer to the existing 200A, 120/240V main panelboard in the Facility 1150 Electrical Room. Furnish and install new branch circuits for the following equipment: 20A/1P to Facility 1150 Paint Room lighting (splice into existing circuit), 20A/1P for Facility 1150 Paint Room receptacles (splice into existing circuit), exterior light mounted on exterior of east wall of Facility 1150 (splice into existing circuit, no exterior surface-mount conduit), and Vehicle Inspection Facility Gate Arm.

2.0.1.4. Fourth is the demolition of Pump House (Facility 1152) from the roof down to the finish floor line including the steel floor grating, removal of the fire pumps/piping and everything down to the lower floor level of the Pump House, and the demolition of the roof of Water Storage (Facility 1151), all in accordance with Specification Section 02 41 00, Demolition. Remove the building service cable and conduit from the utility transformer to the Pump House. Remove branch circuits for the Vehicle Inspection Facility Office, Vehicle Inspection Facility Gate Arm, and North Parking Lot Area Lighting, including all cable and conduit. Backfill, compact and restore surface to original condition with seed and mulch. Remove all electrical equipment in the Pump House to include, but not limited to: CT Cabinet, 250A Fire Pump enclosed circuit breakers, raceways and cables, 150A Panelboard, 600A Panelboard, Load Center, 45kVA 3ph transformer and Fire Alarm Equipment. Remove the 37.5kVA transformer for re-use in Facility 1150. Remove the existing feeder cable and conduit from the transformer in the Pump House to the 200A main panelboard in the Facility 1150 Electrical Room. Salvage the existing metal soffit and fascia panels from Pump House (Facility 1152) for reuse on the south wall of Base Hazardous Storage (Facility 1150). Make watertight the entire south wall of Base Hazardous Storage until the new roof construction is complete.

2.0.1.5. Fifth is the backfilling and compaction of satisfactory materials in Pump House (Facility 1152) and Water Storage (Facility 1151) up to 5’ below the original finish floor of the Pump House in accordance with Specification Section 31 00 00, Earthwork. This step is to provide structural stability to the remaining existing foundation to the Base Hazardous Storage (Facility 1150) and future construction above these areas.

2.0.1.6. Sixth is the installation of sheet piling along the parking lot side of Pump House (Facility 1152) and Water Storage (Facility 1151) to a depth and length to stabilize the parking lot surface during the demolition, backfilling, and compaction process.

2.0.1.7. Seventh is the demolition of all reinforced concrete walls of Pump House (Facility 1152) and Water Storage (Facility 1151) down to a depth of 5 feet below the original finish floor of the Pump House, except for the reinforced concrete north wall of Pump House (Facility 1152), all in accordance with Specification Section 02 41 00, Demolition. This north wall should only be demolished to 1 foot below grade.

2.0.1.8. Eighth is the backfilling and compaction of satisfactory materials with the area of Pump House (Facility 1152), Water Storage (Facility 1151) and any other excavated area in accordance with Specification Section 31 00 00, Earthwork. The sheet piling is then removed, the disturbed site is graded to provide drainage away from the buildings and parking lot, and the site (including the water main valve area) is then seeded and mulched.

2.0.1.9. Ninth is the demolition of the existing ballasted single ply roof, installation of tapered insulation, single ply TPO roof membrane, metal drip edge and flashing, gutter and downspouts along the east roof edge, and reconstruction of the south side soffit and fascia to match existing construction.

2.1. Codes: NFPA 70 – The National Electrical Code, National Fire Protection Association (NFPA), International Building Code (IBC), International Plumbing Code (IPC), and the national building code adopted by the local jurisdiction for wind, snow and seismic loads.

2.2. References: Factory Mutual (FM) Standard 4470 - Approval Standard for Class 1 Roof Covers, Underwriters Laboratories (UL) - Roofing Systems and Materials Guide (TGFU R1306), American Society for Testing and Materials (ASTM) - Annual Book of ASTM Standards, Sheet Metal and Air Conditioning Contractors National Association, Inc. (SMACNA), National Roofing Contractors Association (NRCA), and the American Society of Civil Engineers (ASCE) Standards.

2.3. Standards: ASCE 7 - Minimum Design Loads for Buildings and Other Structures, UL 790 Class A for fire resistance, UL 580 Class 90 for wind uplift resistance, UL 262 Gate Valves for Fire-Protection Service, UFC 3-230-10A – Water Supply: Water Distribution, American Water Works Association (AWWA) C500 – Standard for Metal-Seated Gate Valves for Water Supply Service, and National Sanitation Foundation (NSF)/ANSI 61 – Drinking Water System Components.

2.4. Site Visit: A site visit can be coordinated by contacting the CO.

2.5. Cost Proposal: Provide a detailed cost proposal indicating costs and breakdowns for:

2.5.1. Demolition of Pump House (Facility 1152) / Water Storage (Facility 1151) and associated structural backfill/earthwork.

2.5.2. Demolition and reroof of Base Hazardous Storage (Facility 1150) including the soffit/fascia/gutter/downspout construction, facility patching, new electrical service, and new domestic water service.

2.5.3. Installation of insertable gate valve and lockable valve box.

2.6. Description of Work: The Contractor shall describe in his or her proposal how they will manage the project. The Contractor shall identify key staff and their abilities to manage projects of this magnitude, including scheduling methods, reporting, and execution.

2.7. Construction Performance Period: The Contractor shall identify the proposed construction performance period. The proposed performance period will be included in the Cost Proposal.

2.8. Meetings: A Preconstruction Meeting will be required post award and prior to construction. Weekly progress meetings will also be required.

2.9. Sundry Elements: Any material, devices or services not specifically mentioned or indicated in this specification that are reasonably required for a complete, finished and first class operating installation, shall be provided by the Contractor at no additional cost to the owner. The work shall be installed in accordance with this specification and best industry practices.

2.10. Existing Conditions:

2.10.1. Pump House (Facility 1152) – This facility currently contains electrical and plumbing equipment to support facilities that are no longer in use.

2.10.2. Base Hazardous Storage (Facility 1150). The main panelboard existing in the Electrical Room will provide power for circuits relocated from the Pump House.

2.11. Roof Replacement Scope of Work:

2.11.1. Approximately 820 square feet of roofing on Base Hazardous Storage (Facility 1150) is to be replaced. This includes new gutters and downspouts necessary to maintain a water tight roof with a twenty year full system material and labor warranty. The government is open to best value solutions.

2.11.2. Materials: All materials used are to be recommended by the roofing system manufacturer for the intended use and compatibility with the new roofing system.

2.11.3. Installation: The installation of all materials is to comply with the roofing system manufacturer’s written instructions for installation and best industry practices.

2.11.4. The roof replacement includes, but is not limited to the following items:

2.11.4.1. Remove existing roof system down to the structural concrete surface to receive the roofing system. Prepare concrete substrate to meet the roofing manufacturer’s requirements. Prime substrate if required by the roofing manufacturer.

2.11.4.2. Remove all metal roof drip edges.

2.11.4.3. Guidelines: Furnish and install a fully adhered roofing system in accordance with manufacturer’s written instructions and applicable recommendations of NRCA quality control guidelines for the application of the roofing and wood nailers.

2.11.4.4. Wood nailers: Replace wood as required and install fascia substrate to match existing with the type of wood recommended by the roofing manufacturer. If pressure-treated wood is used follow the roofing manufacturer’s instructions regarding the type of fastener. Provide new aluminum fascia, drip edges, copings, gutters (min. .032” thick), downspouts (min. .024” thick), flashings and accessory products separated from any pressure-treated wood by a piece of TPO membrane. All metalwork to be dark bronze, anodized aluminum. Size gutter and downspout system to meet IPC and SMACNA requirements. All metalwork must be fabricated and installed in accordance with SMACNA and NRCA recommendations.

2.11.4.5. Insulation: Provide min. 1 inch tapered (1/8 inch per foot) insulation with min. ½ inch cover board as recommended by the roofing manufacturer.

2.11.4.6. Roofing membrane sheet: The single ply membrane should be an ASTM D6878, white, 45 mil single-ply fully adhered membrane roofing system that is fabricated of a TPO compound and is reinforced with an anti-wicking polyester scrim or fabric (Firestone UltraPly TPO or equal). At the completion of each day’s work, a watertight seal must be established at any loose edge of roofing membrane with a sealant as recommended by the roofing manufacturer.

2.11.4.7. Heat welds: After all field heat welds, a hand and knee inspection shall be made of the entire length of the weld with a tack claw.

2.11.4.8. Vents: Furnish and install two-way air vents as recommended by the manufacturer.

2.11.4.9. Ponding: All deck sheets and parapets will be pulled tight and installed as wrinkle-free as possible. Care shall be taken to remove ponding areas and to ensure proper drainage on the roof deck.

2.11.4.10. Penetrations: Furnish and install new, pre-manufactured flashings on all roof penetrations as specified by the roof system manufacturer.

2.11.4.11. Flashing: Remove all existing metal flashing and replace with new .050 inch thick aluminum flashing. Form sections true to shape, accurate in size, square and free from distortion or defects.

2.11.4.12. Quality Assurance: Once installation is complete, a manufacturer’s Quality Assurance Specialist (QAS) shall inspect the visible details of the roofing system for acceptability for warranty issuance. Any deficiencies shall be corrected by the Contractor and made ready for re-inspection within five (5) working days. Warranty shall be promptly issued upon acceptance by the QAS.

2.11.5. Warranty: Provide a manufacturer's minimum 20 year full system weather tightness, workmanship, and material warranty.

2.12. Cutting and Patching Proposal: Submit a proposal describing procedures at least 7 days before the time cutting and patching will be performed, requesting approval to proceed.

2.12.1. Cut in-place construction to provide for installation of other components or performance of other construction, and subsequently patch as required to restore surfaces to their original condition.

2.12.2. Use materials identical to in-place materials. For exposed surfaces, use materials that visually match in-place adjacent surfaces to the fullest extent possible.

2.13. Quality Control: The Contractor shall establish and maintain quality control to assure compliance with contract requirements and shall maintain records of his quality control for all construction operations required under this section. A copy of these records, as well as the records of corrective action taken, shall be furnished to the Government.

2.14. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions:

2.14.1. Notify the COR prior to arranging with Baltimore Gas and Electric (BG&E) to shut off and turn on electrical and/or natural gas utilities. Notify the COR not less than 7 days in advance of proposed utility interruptions. The Government will be responsible for all BG&E connection fees.

2.14.2. Notify the COR not less than 3 days in advance of disconnection of power to Vehicle Inspection facilities.

2.14.3. Do not proceed with utility interruptions without the COR’s written permission.

3. Submittals:

3.1. Shop Drawings: Provide drawings required to show the systems involved and clearly show the extent, type and detailed requirements of the work for approval by the COR prior to construction. Submit 4 sets of all drawings; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor. Drawings shall include but not be limited to:

3.1.1. Demolition Plan.

3.1.2. Shoring and Sheeting Plans.

3.1.3. Existing Conditions Survey.

3.1.4. Site plan showing the new electrical and domestic water construction requirements and location of new gate valve/valve box.

3.1.5. Roof plan and details.

3.1.6. Electrical layout illustrating proposed routes of new circuits.

3.1.7. Work Schedule including demolition and utility shutoff schedule.

3.2. As-Built Drawings: Provide redlined As-Built drawings of all new construction. Utility redlines shall show the locations of utility lines and connections with dimensions that are triangulated to building corners.

3.3. Product Information: Provide all material submittals utilizing AF IMT 3000, Material Approval Submittal available at http://www.usmilitarycontracting.com/uploads/Attach_6.pdf for approval by the COR prior to construction. Submit 4 sets of all AF IMT 3000 with attachments; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor. Provide the following product information for approval by the COR prior to construction:

3.3.1. Cable.

3.3.2. Conduit.

3.3.3. Circuit Breakers.

3.3.4. Handhole.

3.3.5. Latest manufacturer's installation instructions for roof replacement.

3.3.6. Size, material, and finish of gutters and downspouts with design calculations.

3.3.7. Roofing membrane material (Firestone or equal) and roofing system structural calculations.

3.3.8. Cover board material.

3.3.9. Adhesives.

3.3.10. Fasteners.

3.3.11. All auxiliary materials (flashing, drip edges, caulking etc.).

3.3.12. Insertable gate valve and installation process.

3.3.13. Lockable valve box.

3.4. Testing Reports, Calculations, and Qualifications: Submit 4 sets of all documents; 1 set for BCE, 1 set for Contracting, and 2 sets will be returned to the Contractor. Provide the following documentation for approval by the COR:

3.4.1. In-place Compaction Testing Reports.

3.4.2. Shoring and Sheeting Calculations.

3.4.3. Testing Facility Qualifications.

3.4.4. Roof Installer’s Qualifications: Provide documentation that the Installer is a qualified firm that is approved, authorized, or licensed by the roofing system manufacturer to install the manufacturer’s product and that is eligible to receive the manufacturer’s warranty.

4. Prescriptions/Clauses:

4.1. Wage Determination: Currently, General Decision Number MD20080011 04/24/2009 MD11 is applicable to this task order. However, the current prevailing Wage Determination will be incorporated at time of award.

4.2. Performance and Payment Bonds: In accordance with Contract Clause 52.228-15, Contractors are reminded that any award over $25,000 shall require Payment Bonds and awards exceeding $100,000 shall require both Payment and Performance Bonds. All bonds are due no later than 10 days after award.

4.3. Construction: (X) YES or ( ) NO, reference Contract Clause 52.246-21, Warranty of Construction Clause is applicable to this task order.

4.4. Proposal Due Date: All offers are due at the Base Contracting Office (Facility 2060).

Mailing address:

Maryland Air National Guard

2701 Eastern Blvd.

Baltimore, MD 21220

Attn: Base Contracting Office / MSgt Dombkiewicz

(410) 918-6218

Email proposals will be accepted at 175WG.MSC@ang.af.mil.

5. Statement of Work Attachments:

5.1. Vicinity Map

5.2. Specification Section 02 41 00 – Demolition

5.3. Specification Section 31 00 00 – Earthwork

5.4. Electrical Layout Drawing

1-LOWER PUMP HOUSE #1152 - 2-UPPER PUMP HOUSE #1152 – 6” CMU WALLS WITH 12” REINFORCED CONCRETE WALLS AND FLOOR 4” BRICK VENEER, STEEL BEAMS, AND DECKING

3-UNDERGROUND WATER STORAGE #1151 4-SOUTHEAST CORNER OF PUMP HOUSE #1152 - (FOREGROUND) - PUMP HOUSE #1152 (BEYOND) FACILITY ENDS AT THE OFFSET IN THE WALL

5-WEST ELEVATION OF PUMP HOUSE #1152 - 6-NORTHWEST CORNER OF HAZARDOUS STORAGE

FACILITY ENDS AT THE OFFSET IN THE WALL #1150 – LOCATION OF ELECTRICAL ROOM

7-ELECTRICAL EQUIPMENT TO BE REMOVED INSIDE 8-ELECTRICAL EQUIPMENT TO BE REMOVED INSIDE

PUMP HOUSE (FACILITY 1152) PUMP HOUSE (FACILITY 1152). RE-USE WALL-

MOUNTED TRANSFORMER.

9-ELECTRICAL EQUIPMENT TO BE REMOVED INSIDE 10-ELECTRICAL EQUIPMENT TO BE REMOVED.

PUMP HOUSE (FACILITY 1152) INSIDE PUMP HOUSE (FACILITY 1152)

11-EXISTING SINGLE PLY BALLASTED ROOF - 12-EXISTING METAL SOFFIT AND FASCIA PANELS -

PUMP HOUSE (FACILITY 1152) PUMP HOUSE (FACILITY 1152)

13-EXISTING EYE WASH TO BE CONNECTED TO 14-STEEL ANGLE AT JOINT BETWEEN PUMP HOUSE

NEW DOMESTIC WATER SERVICE - BASE (FACILITY 1152) AND BASE HAZARDOUS STORAGE

HAZARDOUS STORAGE (FACILITY 1150) (FACILITY 1150) TO BE REMOVED (BOTH SIDES)