REMOVAL OF BUILDINGS , STRUCTURES, AND OBSTRUCTIONS 620.04 579 Include the cost of removing, preserving, storing, and disposing of salvageable material to be included in the contract unit price for the relevant pay items. Include the cost of excavating, removing, disposing of, backfilling, and compacting cavities created by removed buildings, structures, and obstructions to be included in the contract unit price for the relevant pay items. REMOVAL OF UNDERGROU ND STORAGE TA NKS
620.01 Description
This work consists of removing underground storage tanks. Comply with the Oklahoma Corporation Commission (OCC) and Oklahoma Department of Environmental Quality (ODEQ) rules, regulations, codes, and guidance documents, including the OCC “UST Removal Guidebook,” the American Petroleum Institute Bulletin 1604 for Recommended Practices for Removal of Underground Storage Tanks, and with all other current local, state, and fe deral regulations pertaining to the removal and disposal of underground storage tanks.
620.02 Material — Vacant
620.03 Equipment — Vacant
620.04 Construction Methods
A.General Schedule the date for the removal of underground storage tanks with the Reside nt Engineer. The Resident Engineer shall report this date to the Department’s Environmental Programs Division. Report this date to the appropriate regulatory entity (OCC, ODEQ, etc.). The Department will allow the regulatory inspector to be on -site duri ng the removal operation. Perform tank removal and sampling activities using appropriately qualified and licensed professionals, as required by law (ex. OCC Remover, OCC Remediation Consultant, etc.). Use a laboratory pre -approved by the ODEQ. Prepare a t ank closure report in accordance with applicable local, state and federal rules and regulations, and in consultation with the Department’s Environmental Programs Division. Submit the analytical results and tank closure report(s) to the Resident Engineer. The Resident Engineer shall provide this documentation to the Department’s Environmental Programs Division.
B.Removal of Tanks The tanks become the property of the Contractor upon removal from the ground. Remove the tanks from the job site within 72 hours of removal, as per the OCC “UST Removal Guidebook.” Provide the Department with a Certificate of Destruction for each removed tank.
620.06 Removal of Buildings, Structures, and Obstructions
580 C. Removal of Contaminated Soil Return all loose soils to the pit to minimize open excavation safety hazards. However, if gross evidence of contamination is observed, the excavation may be left open for further assessment at the discretion of the Resident Engineer and the Environmental Programs Division. If required, the management of contaminated soil shall be coordinate d with the Department's Environmental Programs Division. The Department will pay for additional excavation for removal of contaminated soil in accordance with Subsection 620.06, “Basis of Payment.”
620.05 Method of Measurement — Vacant
620.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.REMOVAL OF UNDERGROUND STORAGE TANK Each
B.REMOVAL OF CONTAMINATED SOIL Cubic Yard [Cubic Meter] Include cost of the laboratory soil analysis to be included in the contract unit price for the relevant pay items. REMOVAL OF BUILDINGS, STRUCTURES, AND OBSTRUCTIONS 620.06 581 UNDERGROUND STORAGE TANK(S) CERTIFICATE OF DESTRUCTION Scrapping/Disposal Company: Site of Destruction: Tank Removal Contractor: Tank Information: Tank No.: Size: Location: Company: Address: City: State: Zip: Destruction Date: I certify that the above described tank has been rendered unusable for storage of fluids, and the tanks and removed sludge were disposed of in accordance with applicable local, state, and federal regulations. Print Name Signature Title Subscribed and sworn to before me on this ___ day of ___, in the year 20___. My Commission Expires: Notary Public
622.05 Pipe Railing and Miscellaneous Pip E Work
582 SECTION 622 PIPE RAILING AND MISCELLANEOUS PIPE WORK
622.01 Description
This work consists of providing and erecting pipe railing with steel and concrete posts, and miscellaneous pipe work.
622.02 Materials
Provide materials in accordance with Subsection 732.04, “Pipe Railing.” Provide two coats of aluminum paint (finish field coat) in accordance with Subsection 730.02, “Requirements for Paint Systems” for standard black steel pipe. Provide concrete posts in accordance with Section 504, “Bridge Decks, Approaches, Rails, and Parapets.” Provide reinfor cement in accordance with Subsection 723.01, “Bar Steel Reinforcement – Billet Steel.”
622.03 Equipment — Vacant
622.04 Construction Methods
A.Pipe Railing Submit Shop Drawings of the railing details to the Resident En gineer. Allow 10 days for approval. Join the pipe railing to posts with fittings. Make splices using male and female connections with dimensions no greater than the outside dimension of the pipe railing. Weld railing in accordance with Subsection 724.03, “Welding.” Secure railing posts with fittings as shown on the Plans.
B.Miscellaneous Pipe Install miscellaneous pipe for conduit and drains in concrete curbs, sidewalks, or retaining walls as shown on the Plans, or as directed by the Resident Engineer. Ensure the pipes are completely embedded in the concrete.
622.05 Method of Measuremen T
The Resident Engineer will measure the length of Pipe Railing from center to center of the end posts, not including the length of steel and concrete posts.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 593–595 of 935.