220041 Dorchester AST Replacement Scope of Work.pdf

Charles D. Baker Governor

Karyn E. Polito Lieutenant Governor

The Commonwealth of Massachusetts Executive Office of Public Safety & Security Military Division 2 Randolph Road Hanscom AFB, Massachusetts 01731-3001 Tel: (339) 202-3900 www.mass.gov/guard

Thomas A. Turco, III Secretary of Public Safety & Security

Major General Gary W. Keefe The Adjutant General

23 AUG, 2022

Andrew Lapp Chief Procurement Officer Military Division

JFHQ-MA

2 Randolph Rd Hanscom AFB, MA 01731 339-202.3940

220041 Dorchester Aboveground (AST) Storage Tank Replacement

Scope of Work

The intent of the RFP / Specification is for the MA Army National Guard to receive quotations from Experienced and Pre Qualified contractors to perform the Scope of Work detailed in the Specification.

Contractor shall be Certified by the Commonwealth of MA DCAMM in Mechanical Systems and has been in the business of performing this type of work for a minimum of 5 years.

Scope of Work is for a Qualified Contactor to:

1) Set Up Complete one Temporary above ground fuel storage tank with 110% Secondary Containment and dispensing system with a minimum capacity of 1,000 gallons to serve the MAARNG during the construction period. Contractor should transfer fuel from the existing AST ( If available ) into the Temporary Tank and Start Up/ Commission the Temporary Tank before taking the 10,000 Gallon AST out of service.

Contactor shall secure the requisite permits from the City of Boston Fire Department and inspectional Services Department for the Removal and Replacement of the AST. Per City of Boston Requirements -all work must be performed under the supervision of City of Boston Board of Examiners G - 12 Licensed personnel.

Contactor shall Clean, Inert, Remove, and Legally Dispose of the existing 10,000 gallon AST to a State Certified disposal facility. It is assumed that the MAARNG will draw down the fuel level in the tank prior to the project. Contractor is responsible for up to 1,000 gallons of Liquid Sludge, Scale, and Water from the tank bottom during the cleaning operations.

Contractor shall Clean, Pressure Wash, and Prepare the Steel Single Wall Containment Dike for Refurbishment. Dike shall be Puddle Welded - 50 assumed - cleaned, washed, primed, and coated with the Sherwin Williams coating that was previously specified.

Contractor should Hydro Static Test the containment dike before the Coating Work to insure structural integrity.

Contractor shall furnish and install complete one new 96" Diameter dual wall Steel UL 142 fuel storage tank to be placed within the existing Containment Dike. Tank to be fully equipped with all new Emergency Vents, 24" Access Manway with bolted cover & gasket, Morrison Bros. #818 direct reading tank gauge.

Existing Veeder Root system and Simplex Remote Fill station are presumed to be functioning as intended and suitable for re use.

Contractor to remove the Veeder Root system and the Simplex Remote Fill from the existing tank system and install complete in the new AST u on 1 completion.

Contractor shall furnish and install a complete new set of Steel Rain Shields or Refurbish he existing steel rain shields with the same coating as applied to the containment dike.

OOOOAHDW96

Recommended Guide Specification for Aboveground Horizontal Double-wall Type I Steel Storage Tank (Short Form)

Furnish an aboveground, horizontal, double-wall type I, steel storage tank. The tank shall be in conformance with the Underwriters Laboratories' UL-142 specifications and so labeled. Tank size will be noted on an attached reference drawing.

(Long Form) Furnish a 9,990 gallon aboveground, horizontal, double-wall type I, steel storage tank 8'0" in diameter by 26'8" long. Tank shall be fabricated from mild carbon steel with flat flanged heads. Minimum inner tank thickness ¼" head and shell. Minimum outer tank thickness 7 gauge head and shell. All items included with the tank shall be coated with red primer paint. The tank shall be manufactured in conformance with Underwriters Laboratories' UL-142 specifications and so labeled.

The tank shall be fabricated with the following threaded connections : "2 2 inch, 6 4 inch, none 6 inch as located on attached drawing, and/or none 150# flanged connections with flange protectors. Flange sizes as follows (qty-size) 0,0,0, with locations al indicated on drawing. Refer to Highland standard fitting location diagrams in literature f r quantity, size and locations. Thread protectors shall be inserted in all threaded openings prior to shipment.

Highland tanks are air tested at the factory but MUST be retested at the jobsite by the installer prior to installation.

Options & Accessories:

_1_ Manway(s) _24"_ inches in diameter with bolted and gasketed lid _2_ 6" High Seal Welded Support Saddles per drawing _2_ 8" Flanged Emergency Vents _External Ladder External Ladder & Platform __ External Stairway __ Pump Platform

__ Walkway(s) with Handrails __ Commercial grit blast (SSPC-6), epoxy primer coat _1_ Exterior polyurethane paint _WHITE ____ _ __ Other exterior coating _____ _ __ Internal Ladder(s) __ Internal coating _______ (Must include interior weld.

Minimum size 500 gallon.) __ Level Sensing System(s) Overfill Containment Chamber

Warranty The subject tank is warranted by Highland Tank & Mfg. Co or equal. to be free from defects in manufacturing, workmanship and materials. Highland Tank will repair or replace, at its sole discretion F.0.8. factory, within a period of one year after date of shipment, any item of our manufacture. All other items shall be warranted by their respective manufacturers. Liability hereunder is limited, as stated above. and does not include labor, installation costs, indirect or consequential damages of any kind.

Tanks must be returned to the factory and if found to be defective upon examination, will be repaired, replaced or credit will be issued at our option.

Approved Manufacturer:

Tank to be manufactured by Highland Tank at one of the following locations: Stoystown, PA, Manheim, PA, Watervliet, NY, or Greensboro, NC.

ABOVEGROUND FUEL TANKS (NON FIRE RATED)

A. Acceptable manufacturers subject to compliance with the specifications:

a. Highland

b. MA Tank Manufacturing Middlebrro MA

B. General

1. Provide and install an aboveground steel tank with steel secondary containment.

The tank and its containment shall be listed as an assembly by Underwriters Laboratories, Inc. per U.L. 142. The primary tank shall have a total volume as noted on drawings.

C. Design Criteria

1. Primary Tank: The primary tank shall be minimum 0.18 inch thick carbon steel approved per U.L. Standard 142 and meeting the requirements of N.F.P.A. 30. The tank shall be warranted for 1 year by the manufacturer.

D. Secondary Containment with Leak Monitoring: Integral secondary containment shall provide at minimum 100% containment of the primary storage tank. The interstitial space shall allow liquid to migrate through it to a monitoring point. A leak detection access tube shall be located in the interstitial space between the inner tank and the secondary barrier.

E. The tank shall be rated for 5 PSIG.

F. Venting: Provide properly sized emergency and standard vents to satisfy code requirements. Standard vent shall terminate a minimum of 12' above the adjacent ground level. Standard vent shall be equipped with a flame arrestor.

G. Exterior Finish: The tank system shall include an exterior polyurethane finish.

H. Tank Accessory Equipment

1. Standard Vent: The standard 2" vent shall be equipped with an aluminum updraft vent cap with wire screen.

2. Emergency Vents: Emergency vents shall be equipped with aluminum vents sized to open at ½ oz pressure to provide the required capacity.

3. Direct Read Level Gauge:

a. Tank shall be equipped with a direct reading level gauge with an aluminum housing. The level gauge shall be readable from ground level.

4. Inspection Port Adapter Cap: Tank shall be equipped with a 4" adapter and lockable cap for inspection and manual gauging of fuel level. Gauge port shall be accessible from steps or ladder

5. Overfill Prevention Valve: The tank shall have an overfill prevention valve installed in the fill pipe. The valve shall close automatically at 90% of tank capacity. The valve shall incorporate a drop tube extending to within 6" of the tank bottom. Valve shall be rated for pressurized fuel delivery. .

6. Spill Container: The tank shall be equipped with an integral spill container of 7 gallon capacity surrounding the fill pipe. The spill container shall include a valve to drain spilled product into the tank. Where a ground mounted fill system is used the spill container shall be located at the inspection/manual gauging port.

7. Access Steps and Ladders: Tanks shall be equipped with access steps or ladders as indicated on the drawings. Steps and ladders shall be of welded steel construction with prime and finish paint of industrial enamel. Steps and ladders shall be designed to conform with OSHA requirements. Steps shall include non-skid tread surfaces, handrails